From 2fc3adecc4bc622e1aad3a2362fcab95abf8471a Mon Sep 17 00:00:00 2001
From: Kudyaeva <vika_kudyaeva@mail.ru>
Date: Mon, 9 Dec 2024 10:25:58 +0400
Subject: [PATCH] =?UTF-8?q?=D0=9B=D0=B0=D0=B1=D0=BE=D1=80=D0=B0=D1=82?=
 =?UTF-8?q?=D0=BE=D1=80=D0=BD=D0=B0=D1=8F=20=D1=80=D0=B0=D0=B1=D0=BE=D1=82?=
 =?UTF-8?q?=D0=B0=202?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../Entities/AddMark.cs                       |  31 ---
 .../Entities/Discipline.cs                    |   5 -
 .../Entities/Enums/Course.cs                  |   2 +-
 .../Entities/Enums/GroupType.cs               |   8 +-
 .../Entities/Enums/Mark.cs                    |   1 -
 .../Entities/Statement.cs                     |  22 ++
 .../Entities/StatementStudent.cs              |  25 ++
 .../Entities/Student.cs                       |   2 +
 .../Entities/Teacher.cs                       |   7 +-
 .../FormSessionResults.Designer.cs            |  12 +-
 .../FormSessionResults.cs                     |   2 +-
 .../FormSessionResults.resx                   |   4 +-
 .../Forms/AddMarkForm.Designer.cs             | 218 ------------------
 .../Forms/AddMarkForm.cs                      |  86 -------
 .../Forms/DisciplineForm.Designer.cs          |   6 +-
 .../Forms/DisciplineForm.cs                   |   3 +
 .../Forms/DisciplineForm.resx                 |   4 +-
 .../Forms/StatementForm.Designer.cs           | 172 ++++++++++++++
 .../Forms/StatementForm.cs                    |  75 ++++++
 .../{AddMarkForm.resx => StatementForm.resx}  |  10 +-
 ...igner.cs => StatementListForm.Designer.cs} |  10 +-
 ...ddMarkListForm.cs => StatementListForm.cs} |  12 +-
 ...rkListForm.resx => StatementListForm.resx} |   0
 .../Forms/StudentForm.cs                      |   9 +-
 .../Forms/TeacherForm.Designer.cs             |  25 +-
 .../Forms/TeacherForm.cs                      |   4 +-
 .../Forms/TeacherForm.resx                    |   4 +-
 .../SessionResults_Kudyaeva/Program.cs        |  24 +-
 .../Repositories/IAddMarkRepository.cs        |  17 --
 .../Repositories/IConnectionString.cs         |  12 +
 .../Repositories/IStatementRepository.cs      |  14 ++
 .../Implementations/AddMarkRepository.cs      |  39 ----
 .../Implementations/ConnectionString.cs       |   6 +
 .../Implementations/DisciplineRepository.cs   | 109 ++++++++-
 .../Implementations/GroupRepository.cs        | 108 ++++++++-
 .../Implementations/StatementRepository.cs    |  76 ++++++
 .../Implementations/StudentRepository.cs      | 112 +++++++--
 .../Implementations/TeacherRepository.cs      | 115 +++++++--
 .../SessionResults_Kudyaeva.csproj            |  11 +
 .../SessionResults_Kudyaeva/appsettings.json  |  15 ++
 40 files changed, 898 insertions(+), 519 deletions(-)
 delete mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/AddMark.cs
 create mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Statement.cs
 create mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/StatementStudent.cs
 delete mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkForm.Designer.cs
 delete mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkForm.cs
 create mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementForm.Designer.cs
 create mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementForm.cs
 rename SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/{AddMarkForm.resx => StatementForm.resx} (93%)
 rename SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/{AddMarkListForm.Designer.cs => StatementListForm.Designer.cs} (93%)
 rename SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/{AddMarkListForm.cs => StatementListForm.cs} (64%)
 rename SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/{AddMarkListForm.resx => StatementListForm.resx} (100%)
 delete mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IAddMarkRepository.cs
 create mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IConnectionString.cs
 create mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IStatementRepository.cs
 delete mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/AddMarkRepository.cs
 create mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/ConnectionString.cs
 create mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/StatementRepository.cs
 create mode 100644 SessionResults_Kudyaeva/SessionResults_Kudyaeva/appsettings.json

diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/AddMark.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/AddMark.cs
deleted file mode 100644
index f3507da..0000000
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/AddMark.cs
+++ /dev/null
@@ -1,31 +0,0 @@
-using SessionResults_Kudyaeva.Entities.Enums;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace SessionResults_Kudyaeva.Entities;
-
-public class AddMark
-{
-    public int Id { get; private set; }
-    public int StudentId { get; private set; }
-    public int GroupId { get; private set; }
-    public int DisciplineId { get; private set; }
-    public Mark? Mark { get; private set; } // Оставляем тип Mark
-    public DateTime Date { get; private set; }
-
-    public static AddMark CreateOperation(int id, int studentId, int groupId, int disciplineId, Mark mark)
-    {
-        return new AddMark
-        {
-            Id = id,
-            StudentId = studentId,
-            GroupId = groupId,
-            DisciplineId = disciplineId,
-            Mark = mark, // Если `Mark` имеет значение по умолчанию, его можно обработать
-            Date = DateTime.Now
-        };
-    }
-}
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Discipline.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Discipline.cs
index 4e9b0e3..ab16ba8 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Discipline.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Discipline.cs
@@ -1,9 +1,4 @@
 using SessionResults_Kudyaeva.Entities.Enums;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace SessionResults_Kudyaeva.Entities;
 
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Enums/Course.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Enums/Course.cs
index a074d75..53b31f7 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Enums/Course.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Enums/Course.cs
@@ -9,7 +9,7 @@ namespace SessionResults_Kudyaeva.Entities.Enums;
 [Flags]
 public enum Course
 {
-    None = 0,
+    None,
     First = 1, // 1 курс
     Second = 2, // 2 курс
     Third = 4, // 3 курс
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Enums/GroupType.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Enums/GroupType.cs
index 4e13716..d15e27b 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Enums/GroupType.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Enums/GroupType.cs
@@ -1,10 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace SessionResults_Kudyaeva.Entities.Enums;
+namespace SessionResults_Kudyaeva.Entities.Enums;
 
 public enum GroupType
 {
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Enums/Mark.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Enums/Mark.cs
index d368eee..9e91b1e 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Enums/Mark.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Enums/Mark.cs
@@ -8,7 +8,6 @@ namespace SessionResults_Kudyaeva.Entities.Enums;
 
 public enum Mark
 {
-    None,
     One = 1,
     Two = 2,
     Three = 3,
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Statement.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Statement.cs
new file mode 100644
index 0000000..80ec2ee
--- /dev/null
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Statement.cs
@@ -0,0 +1,22 @@
+namespace SessionResults_Kudyaeva.Entities;
+
+public class Statement
+{
+    public int Id { get; private set; }
+    public int TeacherId { get; private set; }
+    public int DisciplineId { get; private set; }
+    public DateTime Date { get; private set; }
+    public IEnumerable<StatementStudent> StatementStudents { get; private set; } = [];
+
+    public static Statement CreateOperation(int id, int teacherId, int disciplineId, IEnumerable<StatementStudent> statementStudents)
+    {
+        return new Statement
+        {
+            Id = id,
+            TeacherId = teacherId,
+            DisciplineId = disciplineId,
+            Date = DateTime.Now,
+            StatementStudents = statementStudents
+        };
+    }
+}
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/StatementStudent.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/StatementStudent.cs
new file mode 100644
index 0000000..18a00af
--- /dev/null
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/StatementStudent.cs
@@ -0,0 +1,25 @@
+using SessionResults_Kudyaeva.Entities.Enums;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SessionResults_Kudyaeva.Entities;
+
+public class StatementStudent
+{
+    public int Id { get; private set; }
+    public int StudentId { get; private set; }
+    public Mark Mark { get; private set; }
+
+    public static StatementStudent CreateOperation(int id, int studentId, Mark mark)
+    {
+        return new StatementStudent
+        {
+            Id = id,
+            StudentId = studentId,
+            Mark = mark
+        };
+    }
+}
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Student.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Student.cs
index 44add56..e65e02c 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Student.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Student.cs
@@ -4,6 +4,7 @@ using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace SessionResults_Kudyaeva.Entities;
 
@@ -14,6 +15,7 @@ public class Student
     public string Name { get; private set; } = string.Empty;
     public string MiddleName { get; private set; } = string.Empty;
     public int GroupID { get; private set; }
+    public string DisplayName => $"{Surname} {Name[0]}. {MiddleName[0]}.";
 
     public static Student Create(int id, string surname, string name, string middleName, int groupID)
     {
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Teacher.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Teacher.cs
index 06b9fbe..297fd86 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Teacher.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Entities/Teacher.cs
@@ -12,17 +12,16 @@ public class Teacher
     public string Surname { get; private set; } = string.Empty;
     public string Name { get; private set; } = string.Empty;
     public string MiddleName { get; private set; } = string.Empty;
-    public int DisciplineID { get; private set; }
+    public string DisplayName => $"{Surname} {Name[0]}. {MiddleName[0]}.";
 
-    public static Teacher Create(int id, string surname, string name, string middleName, int disciplineID)
+    public static Teacher Create(int id, string surname, string name, string middleName)
     {
         return new Teacher
         {
             ID = id,
             Surname = surname,
             Name = name,
-            MiddleName = middleName,
-            DisciplineID = disciplineID
+            MiddleName = middleName
         };
     }
 }
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/FormSessionResults.Designer.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/FormSessionResults.Designer.cs
index 2681e00..95c4f20 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/FormSessionResults.Designer.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/FormSessionResults.Designer.cs
@@ -59,28 +59,28 @@
             // StudentsToolStripMenuItem
             // 
             StudentsToolStripMenuItem.Name = "StudentsToolStripMenuItem";
-            StudentsToolStripMenuItem.Size = new Size(159, 22);
+            StudentsToolStripMenuItem.Size = new Size(180, 22);
             StudentsToolStripMenuItem.Text = "Студенты";
             StudentsToolStripMenuItem.Click += StudentsToolStripMenuItem_Click;
             // 
             // GroupsToolStripMenuItem
             // 
             GroupsToolStripMenuItem.Name = "GroupsToolStripMenuItem";
-            GroupsToolStripMenuItem.Size = new Size(159, 22);
+            GroupsToolStripMenuItem.Size = new Size(180, 22);
             GroupsToolStripMenuItem.Text = "Группы";
             GroupsToolStripMenuItem.Click += GroupsToolStripMenuItem_Click;
             // 
             // TeachersToolStripMenuItem
             // 
             TeachersToolStripMenuItem.Name = "TeachersToolStripMenuItem";
-            TeachersToolStripMenuItem.Size = new Size(159, 22);
+            TeachersToolStripMenuItem.Size = new Size(180, 22);
             TeachersToolStripMenuItem.Text = "Преподаватели";
             TeachersToolStripMenuItem.Click += TeachersToolStripMenuItem_Click;
             // 
             // DisciplinesToolStripMenuItem
             // 
             DisciplinesToolStripMenuItem.Name = "DisciplinesToolStripMenuItem";
-            DisciplinesToolStripMenuItem.Size = new Size(159, 22);
+            DisciplinesToolStripMenuItem.Size = new Size(180, 22);
             DisciplinesToolStripMenuItem.Text = "Дисциплины";
             DisciplinesToolStripMenuItem.Click += DisciplinesToolStripMenuItem_Click;
             // 
@@ -94,8 +94,8 @@
             // AddMarksToolStripMenuItem
             // 
             AddMarksToolStripMenuItem.Name = "AddMarksToolStripMenuItem";
-            AddMarksToolStripMenuItem.Size = new Size(184, 22);
-            AddMarksToolStripMenuItem.Text = "Добавление оценки";
+            AddMarksToolStripMenuItem.Size = new Size(236, 22);
+            AddMarksToolStripMenuItem.Text = "Создание результатов сессии";
             AddMarksToolStripMenuItem.Click += AddMarksToolStripMenuItem_Click;
             // 
             // отчетыToolStripMenuItem
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/FormSessionResults.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/FormSessionResults.cs
index a494cd8..b9dc61c 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/FormSessionResults.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/FormSessionResults.cs
@@ -74,7 +74,7 @@ public partial class FormSessionResults : Form
     {
         try
         {
-            _container.Resolve<AddMarkListForm>().ShowDialog();
+            _container.Resolve<StatementListForm>().ShowDialog();
         }
         catch (Exception ex)
         {
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/FormSessionResults.resx b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/FormSessionResults.resx
index b48baf1..a0623c8 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/FormSessionResults.resx
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/FormSessionResults.resx
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
   <!--
-    Microsoft ResX Schema
+    Microsoft ResX Schema 
 
     Version 2.0
 
@@ -48,7 +48,7 @@
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-
+    
     mimetype: application/x-microsoft.net.object.soap.base64
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkForm.Designer.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkForm.Designer.cs
deleted file mode 100644
index 5ce10af..0000000
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkForm.Designer.cs
+++ /dev/null
@@ -1,218 +0,0 @@
-namespace SessionResults_Kudyaeva.Forms
-{
-    partial class AddMarkForm
-    {
-        /// <summary>
-        /// Required designer variable.
-        /// </summary>
-        private System.ComponentModel.IContainer components = null;
-
-        /// <summary>
-        /// Clean up any resources being used.
-        /// </summary>
-        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
-        protected override void Dispose(bool disposing)
-        {
-            if (disposing && (components != null))
-            {
-                components.Dispose();
-            }
-            base.Dispose(disposing);
-        }
-
-        #region Windows Form Designer generated code
-
-        /// <summary>
-        /// Required method for Designer support - do not modify
-        /// the contents of this method with the code editor.
-        /// </summary>
-        private void InitializeComponent()
-        {
-            label1 = new Label();
-            label2 = new Label();
-            label3 = new Label();
-            label4 = new Label();
-            label5 = new Label();
-            label6 = new Label();
-            ButtonSave = new Button();
-            ButtonCancel = new Button();
-            comboBoxDiscipline = new ComboBox();
-            comboBoxTeacher = new ComboBox();
-            comboBoxStudent = new ComboBox();
-            comboBoxGroup = new ComboBox();
-            comboBoxMark = new ComboBox();
-            dateTimePickerDate = new DateTimePicker();
-            SuspendLayout();
-            // 
-            // label1
-            // 
-            label1.AutoSize = true;
-            label1.Location = new Point(40, 42);
-            label1.Name = "label1";
-            label1.Size = new Size(55, 15);
-            label1.TabIndex = 0;
-            label1.Text = "Предмет";
-            // 
-            // label2
-            // 
-            label2.AutoSize = true;
-            label2.Location = new Point(40, 73);
-            label2.Name = "label2";
-            label2.Size = new Size(91, 15);
-            label2.TabIndex = 1;
-            label2.Text = "Преподаватель";
-            // 
-            // label3
-            // 
-            label3.AutoSize = true;
-            label3.Location = new Point(40, 105);
-            label3.Name = "label3";
-            label3.Size = new Size(50, 15);
-            label3.TabIndex = 2;
-            label3.Text = "Студент";
-            // 
-            // label4
-            // 
-            label4.AutoSize = true;
-            label4.Location = new Point(40, 137);
-            label4.Name = "label4";
-            label4.Size = new Size(46, 15);
-            label4.TabIndex = 3;
-            label4.Text = "Группа";
-            // 
-            // label5
-            // 
-            label5.AutoSize = true;
-            label5.Location = new Point(40, 195);
-            label5.Name = "label5";
-            label5.Size = new Size(48, 15);
-            label5.TabIndex = 4;
-            label5.Text = "Оценка";
-            // 
-            // label6
-            // 
-            label6.AutoSize = true;
-            label6.Location = new Point(40, 233);
-            label6.Name = "label6";
-            label6.Size = new Size(32, 15);
-            label6.TabIndex = 5;
-            label6.Text = "Дата";
-            // 
-            // ButtonSave
-            // 
-            ButtonSave.Location = new Point(61, 284);
-            ButtonSave.Name = "ButtonSave";
-            ButtonSave.Size = new Size(96, 23);
-            ButtonSave.TabIndex = 10;
-            ButtonSave.Text = "Сохранить";
-            ButtonSave.UseVisualStyleBackColor = true;
-            ButtonSave.Click += ButtonSave_Click;
-            // 
-            // ButtonCancel
-            // 
-            ButtonCancel.Location = new Point(234, 284);
-            ButtonCancel.Name = "ButtonCancel";
-            ButtonCancel.Size = new Size(96, 23);
-            ButtonCancel.TabIndex = 11;
-            ButtonCancel.Text = "Отменить";
-            ButtonCancel.UseVisualStyleBackColor = true;
-            ButtonCancel.Click += ButtonCancel_Click;
-            // 
-            // comboBoxDiscipline
-            // 
-            comboBoxDiscipline.DropDownStyle = ComboBoxStyle.DropDownList;
-            comboBoxDiscipline.FormattingEnabled = true;
-            comboBoxDiscipline.Location = new Point(186, 39);
-            comboBoxDiscipline.Name = "comboBoxDiscipline";
-            comboBoxDiscipline.Size = new Size(175, 23);
-            comboBoxDiscipline.TabIndex = 12;
-            // 
-            // comboBoxTeacher
-            // 
-            comboBoxTeacher.DropDownStyle = ComboBoxStyle.DropDownList;
-            comboBoxTeacher.FormattingEnabled = true;
-            comboBoxTeacher.Location = new Point(186, 70);
-            comboBoxTeacher.Name = "comboBoxTeacher";
-            comboBoxTeacher.Size = new Size(175, 23);
-            comboBoxTeacher.TabIndex = 13;
-            // 
-            // comboBoxStudent
-            // 
-            comboBoxStudent.BackColor = Color.White;
-            comboBoxStudent.DropDownStyle = ComboBoxStyle.DropDownList;
-            comboBoxStudent.FormattingEnabled = true;
-            comboBoxStudent.Location = new Point(186, 102);
-            comboBoxStudent.Name = "comboBoxStudent";
-            comboBoxStudent.Size = new Size(175, 23);
-            comboBoxStudent.TabIndex = 14;
-            // 
-            // comboBoxGroup
-            // 
-            comboBoxGroup.BackColor = Color.White;
-            comboBoxGroup.DropDownStyle = ComboBoxStyle.DropDownList;
-            comboBoxGroup.FormattingEnabled = true;
-            comboBoxGroup.Location = new Point(186, 134);
-            comboBoxGroup.Name = "comboBoxGroup";
-            comboBoxGroup.Size = new Size(175, 23);
-            comboBoxGroup.TabIndex = 15;
-            // 
-            // comboBoxMark
-            // 
-            comboBoxMark.BackColor = Color.White;
-            comboBoxMark.DropDownStyle = ComboBoxStyle.DropDownList;
-            comboBoxMark.FormattingEnabled = true;
-            comboBoxMark.Location = new Point(186, 192);
-            comboBoxMark.Name = "comboBoxMark";
-            comboBoxMark.Size = new Size(175, 23);
-            comboBoxMark.TabIndex = 16;
-            // 
-            // dateTimePickerDate
-            // 
-            dateTimePickerDate.Location = new Point(186, 227);
-            dateTimePickerDate.Name = "dateTimePickerDate";
-            dateTimePickerDate.Size = new Size(175, 23);
-            dateTimePickerDate.TabIndex = 17;
-            // 
-            // AddMarkForm
-            // 
-            AutoScaleDimensions = new SizeF(7F, 15F);
-            AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(407, 342);
-            Controls.Add(dateTimePickerDate);
-            Controls.Add(comboBoxMark);
-            Controls.Add(comboBoxGroup);
-            Controls.Add(comboBoxStudent);
-            Controls.Add(comboBoxTeacher);
-            Controls.Add(comboBoxDiscipline);
-            Controls.Add(ButtonCancel);
-            Controls.Add(ButtonSave);
-            Controls.Add(label6);
-            Controls.Add(label5);
-            Controls.Add(label4);
-            Controls.Add(label3);
-            Controls.Add(label2);
-            Controls.Add(label1);
-            Name = "AddMarkForm";
-            Text = "Добавить оценку";
-            ResumeLayout(false);
-            PerformLayout();
-        }
-
-        #endregion
-
-        private Label label1;
-        private Label label2;
-        private Label label3;
-        private Label label4;
-        private Label label5;
-        private Label label6;
-        private Button ButtonSave;
-        private Button ButtonCancel;
-        private ComboBox comboBoxDiscipline;
-        private ComboBox comboBoxTeacher;
-        private ComboBox comboBoxStudent;
-        private ComboBox comboBoxGroup;
-        private ComboBox comboBoxMark;
-        private DateTimePicker dateTimePickerDate;
-    }
-}
\ No newline at end of file
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkForm.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkForm.cs
deleted file mode 100644
index a54866d..0000000
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkForm.cs
+++ /dev/null
@@ -1,86 +0,0 @@
-using SessionResults_Kudyaeva.Entities;
-using SessionResults_Kudyaeva.Entities.Enums;
-using SessionResults_Kudyaeva.Repositories;
-using System;
-using System.Collections.Generic;
-using System.ComponentModel;
-using System.Data;
-using System.Drawing;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using System.Windows.Forms;
-
-namespace SessionResults_Kudyaeva.Forms;
-
-
-public partial class AddMarkForm : Form
-{
-    private readonly IAddMarkRepository _addMarkRepository;
-    private readonly IStudentRepository _studentRepository;
-    private readonly IGroupRepository _groupRepository;
-    private readonly ITeacherRepository _teacherRepository;
-    private readonly IDisciplineRepository _disciplineRepository;
-
-    public AddMarkForm(IAddMarkRepository addMarkRepository, IStudentRepository studentRepository, IGroupRepository groupRepository, ITeacherRepository teacherRepository, IDisciplineRepository disciplineRepository)
-    {
-        InitializeComponent();
-
-        _addMarkRepository = addMarkRepository ?? throw new ArgumentNullException(nameof(addMarkRepository));
-        _studentRepository = studentRepository ?? throw new ArgumentNullException(nameof(studentRepository));
-        _groupRepository = groupRepository ?? throw new ArgumentNullException(nameof(groupRepository));
-        _teacherRepository = teacherRepository ?? throw new ArgumentNullException(nameof(teacherRepository));
-        _disciplineRepository = disciplineRepository ?? throw new ArgumentNullException(nameof(disciplineRepository));
-
-
-        comboBoxStudent.DataSource = _studentRepository.GetAllStudents();
-        comboBoxStudent.DisplayMember = "Name";
-        comboBoxStudent.ValueMember = "Id";
-
-        comboBoxGroup.DataSource = _groupRepository.GetAllGroups();
-        comboBoxGroup.DisplayMember = "Name";
-        comboBoxGroup.ValueMember = "Id";
-
-        comboBoxTeacher.DataSource = _teacherRepository.GetAllTeachers();
-        comboBoxTeacher.DisplayMember = "Name";
-        comboBoxTeacher.ValueMember = "Id";
-
-        comboBoxDiscipline.DataSource = _disciplineRepository.GetAllDisciplines();
-        comboBoxDiscipline.DisplayMember = "Name";
-        comboBoxDiscipline.ValueMember = "Id";
-
-        comboBoxMark.DataSource = Enum.GetValues(typeof(Mark));
-
-        
-        dateTimePickerDate.Enabled = false;
-    }
-
-    private void ButtonSave_Click(object sender, EventArgs e)
-    {
-        try
-        {
-            if (comboBoxStudent.SelectedIndex < 0 ||
-                comboBoxGroup.SelectedIndex < 0 ||
-                comboBoxTeacher.SelectedIndex < 0 ||
-                comboBoxDiscipline.SelectedIndex < 0 ||
-                comboBoxMark.SelectedIndex < 0)
-            {
-                throw new Exception("Имеются незаполненные поля");
-            }
-
-            _addMarkRepository.CreateMark(AddMark.CreateOperation(0,
-                (int)comboBoxStudent.SelectedValue!,
-                (int)comboBoxGroup.SelectedValue!,
-                (int)comboBoxDiscipline.SelectedValue!,
-                (Mark)comboBoxMark.SelectedItem!));
-
-            Close();
-        }
-        catch (Exception ex)
-        {
-            MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
-        }
-    }
-
-    private void ButtonCancel_Click(object sender, EventArgs e) => Close();
-}
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineForm.Designer.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineForm.Designer.cs
index 3f94ba8..c44073e 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineForm.Designer.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineForm.Designer.cs
@@ -90,7 +90,7 @@
             // 
             // ButtonSave
             // 
-            ButtonSave.Location = new Point(54, 298);
+            ButtonSave.Location = new Point(41, 349);
             ButtonSave.Name = "ButtonSave";
             ButtonSave.Size = new Size(96, 23);
             ButtonSave.TabIndex = 10;
@@ -100,7 +100,7 @@
             // 
             // ButtonCancel
             // 
-            ButtonCancel.Location = new Point(210, 298);
+            ButtonCancel.Location = new Point(235, 349);
             ButtonCancel.Name = "ButtonCancel";
             ButtonCancel.Size = new Size(96, 23);
             ButtonCancel.TabIndex = 11;
@@ -112,7 +112,7 @@
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(372, 347);
+            ClientSize = new Size(372, 384);
             Controls.Add(ButtonCancel);
             Controls.Add(ButtonSave);
             Controls.Add(checkedListBoxCourse);
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineForm.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineForm.cs
index 4ee81a1..cb2369d 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineForm.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineForm.cs
@@ -39,6 +39,7 @@ public partial class DisciplineForm : Form
                 textBoxName.Text = discipline.Name;
                 textBoxDescription.Text = discipline.Description;
                 _disciplineId = value;
+
             }
             catch (Exception ex)
             {
@@ -58,6 +59,8 @@ public partial class DisciplineForm : Form
         {
             checkedListBoxCourse.Items.Add(elem);
         }
+
+
     }
 
     private void ButtonSave_Click(object sender, EventArgs e)
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineForm.resx b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineForm.resx
index 8b2ff64..af32865 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineForm.resx
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/DisciplineForm.resx
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
   <!--
-    Microsoft ResX Schema
+    Microsoft ResX Schema 
 
     Version 2.0
 
@@ -48,7 +48,7 @@
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-
+    
     mimetype: application/x-microsoft.net.object.soap.base64
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementForm.Designer.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementForm.Designer.cs
new file mode 100644
index 0000000..f250647
--- /dev/null
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementForm.Designer.cs
@@ -0,0 +1,172 @@
+namespace SessionResults_Kudyaeva.Forms
+{
+    partial class StatementForm
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            label1 = new Label();
+            label2 = new Label();
+            ButtonSave = new Button();
+            ButtonCancel = new Button();
+            comboBoxDiscipline = new ComboBox();
+            comboBoxTeacher = new ComboBox();
+            dataGridView = new DataGridView();
+            groupBox1 = new GroupBox();
+            ColumnStudent = new DataGridViewComboBoxColumn();
+            ColumnMark = new DataGridViewTextBoxColumn();
+            ((System.ComponentModel.ISupportInitialize)dataGridView).BeginInit();
+            groupBox1.SuspendLayout();
+            SuspendLayout();
+            // 
+            // label1
+            // 
+            label1.AutoSize = true;
+            label1.Location = new Point(53, 19);
+            label1.Name = "label1";
+            label1.Size = new Size(55, 15);
+            label1.TabIndex = 0;
+            label1.Text = "Предмет";
+            // 
+            // label2
+            // 
+            label2.AutoSize = true;
+            label2.Location = new Point(17, 57);
+            label2.Name = "label2";
+            label2.Size = new Size(91, 15);
+            label2.TabIndex = 1;
+            label2.Text = "Преподаватель";
+            // 
+            // ButtonSave
+            // 
+            ButtonSave.Location = new Point(12, 307);
+            ButtonSave.Name = "ButtonSave";
+            ButtonSave.Size = new Size(96, 23);
+            ButtonSave.TabIndex = 10;
+            ButtonSave.Text = "Сохранить";
+            ButtonSave.UseVisualStyleBackColor = true;
+            ButtonSave.Click += ButtonSave_Click;
+            // 
+            // ButtonCancel
+            // 
+            ButtonCancel.Location = new Point(217, 307);
+            ButtonCancel.Name = "ButtonCancel";
+            ButtonCancel.Size = new Size(96, 23);
+            ButtonCancel.TabIndex = 11;
+            ButtonCancel.Text = "Отменить";
+            ButtonCancel.UseVisualStyleBackColor = true;
+            ButtonCancel.Click += ButtonCancel_Click;
+            // 
+            // comboBoxDiscipline
+            // 
+            comboBoxDiscipline.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxDiscipline.FormattingEnabled = true;
+            comboBoxDiscipline.Location = new Point(114, 16);
+            comboBoxDiscipline.Name = "comboBoxDiscipline";
+            comboBoxDiscipline.Size = new Size(196, 23);
+            comboBoxDiscipline.TabIndex = 12;
+            // 
+            // comboBoxTeacher
+            // 
+            comboBoxTeacher.DropDownStyle = ComboBoxStyle.DropDownList;
+            comboBoxTeacher.FormattingEnabled = true;
+            comboBoxTeacher.Location = new Point(114, 54);
+            comboBoxTeacher.Name = "comboBoxTeacher";
+            comboBoxTeacher.Size = new Size(196, 23);
+            comboBoxTeacher.TabIndex = 13;
+            // 
+            // dataGridView
+            // 
+            dataGridView.AllowUserToResizeColumns = false;
+            dataGridView.AllowUserToResizeRows = false;
+            dataGridView.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
+            dataGridView.ColumnHeadersHeightSizeMode = DataGridViewColumnHeadersHeightSizeMode.AutoSize;
+            dataGridView.Columns.AddRange(new DataGridViewColumn[] { ColumnStudent, ColumnMark });
+            dataGridView.Dock = DockStyle.Fill;
+            dataGridView.Location = new Point(3, 19);
+            dataGridView.MultiSelect = false;
+            dataGridView.Name = "dataGridView";
+            dataGridView.RowHeadersVisible = false;
+            dataGridView.SelectionMode = DataGridViewSelectionMode.FullRowSelect;
+            dataGridView.Size = new Size(295, 157);
+            dataGridView.TabIndex = 14;
+            // 
+            // groupBox1
+            // 
+            groupBox1.Controls.Add(dataGridView);
+            groupBox1.Location = new Point(12, 99);
+            groupBox1.Name = "groupBox1";
+            groupBox1.Size = new Size(301, 179);
+            groupBox1.TabIndex = 15;
+            groupBox1.TabStop = false;
+            groupBox1.Text = "Студенты";
+            // 
+            // ColumnStudent
+            // 
+            ColumnStudent.HeaderText = "Студенты";
+            ColumnStudent.Name = "ColumnStudent";
+            // 
+            // ColumnMark
+            // 
+            ColumnMark.HeaderText = "Оценки";
+            ColumnMark.Name = "ColumnMark";
+            ColumnMark.Resizable = DataGridViewTriState.True;
+            ColumnMark.SortMode = DataGridViewColumnSortMode.NotSortable;
+            // 
+            // StatementForm
+            // 
+            AutoScaleDimensions = new SizeF(7F, 15F);
+            AutoScaleMode = AutoScaleMode.Font;
+            ClientSize = new Size(324, 342);
+            Controls.Add(groupBox1);
+            Controls.Add(comboBoxTeacher);
+            Controls.Add(comboBoxDiscipline);
+            Controls.Add(ButtonCancel);
+            Controls.Add(ButtonSave);
+            Controls.Add(label2);
+            Controls.Add(label1);
+            Name = "StatementForm";
+            Text = "Результат сессии";
+            ((System.ComponentModel.ISupportInitialize)dataGridView).EndInit();
+            groupBox1.ResumeLayout(false);
+            ResumeLayout(false);
+            PerformLayout();
+        }
+
+        #endregion
+
+        private Label label1;
+        private Label label2;
+        private Button ButtonSave;
+        private Button ButtonCancel;
+        private ComboBox comboBoxDiscipline;
+        private ComboBox comboBoxTeacher;
+        private DataGridView dataGridView;
+        private GroupBox groupBox1;
+        private DataGridViewComboBoxColumn ColumnStudent;
+        private DataGridViewTextBoxColumn ColumnMark;
+    }
+}
\ No newline at end of file
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementForm.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementForm.cs
new file mode 100644
index 0000000..e5716f5
--- /dev/null
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementForm.cs
@@ -0,0 +1,75 @@
+using SessionResults_Kudyaeva.Entities;
+using SessionResults_Kudyaeva.Entities.Enums;
+using SessionResults_Kudyaeva.Repositories;
+
+namespace SessionResults_Kudyaeva.Forms;
+
+
+public partial class StatementForm : Form
+{
+    private readonly IStatementRepository _statementRepository;
+    private readonly ITeacherRepository _teacherRepository;
+    private readonly IDisciplineRepository _disciplineRepository;
+
+    public StatementForm(IStatementRepository statementRepository, ITeacherRepository teacherRepository, IDisciplineRepository disciplineRepository, IStudentRepository studentRepository)
+    {
+        InitializeComponent();
+
+        _statementRepository = statementRepository ?? throw new ArgumentNullException(nameof(statementRepository));
+        _teacherRepository = teacherRepository ?? throw new ArgumentNullException(nameof(teacherRepository));
+        _disciplineRepository = disciplineRepository ?? throw new ArgumentNullException(nameof(disciplineRepository));
+
+        comboBoxTeacher.DataSource = _teacherRepository.GetAllTeachers();
+        comboBoxTeacher.DisplayMember = "Name";
+        comboBoxTeacher.ValueMember = "Id";
+
+        comboBoxDiscipline.DataSource = _disciplineRepository.GetAllDisciplines();
+        comboBoxDiscipline.DisplayMember = "Name";
+        comboBoxDiscipline.ValueMember = "Id";
+
+        ColumnStudent.DataSource = studentRepository.GetAllStudents();
+        ColumnStudent.DisplayMember = "DisplayName";
+        ColumnStudent.ValueMember = "Id";
+    }
+
+    private void ButtonSave_Click(object sender, EventArgs e)
+    {
+        try
+        {
+            if (comboBoxTeacher.SelectedIndex < 0 || comboBoxDiscipline.SelectedIndex < 0 || dataGridView.RowCount < 1)
+            {
+                throw new Exception("Имеются незаполненные поля");
+            }
+
+            _statementRepository.CreateStatement(Statement.CreateOperation(0,
+                (int)comboBoxTeacher.SelectedValue!,
+                (int)comboBoxDiscipline.SelectedValue!,
+                CreateListStatementStudentFromDataGrid()));
+
+            Close();
+        }
+        catch (Exception ex)
+        {
+            MessageBox.Show(ex.Message, "Ошибка при сохранении", MessageBoxButtons.OK, MessageBoxIcon.Error);
+        }
+    }
+
+    private void ButtonCancel_Click(object sender, EventArgs e) => Close();
+
+    private List<StatementStudent> CreateListStatementStudentFromDataGrid()
+    {
+        var list = new List<StatementStudent>();
+        foreach (DataGridViewRow row in dataGridView.Rows)
+        {
+            if (row.Cells["ColumnStudent"].Value == null ||
+            row.Cells["ColumnMark"].Value == null)
+            {
+                continue;
+            }
+            list.Add(StatementStudent.CreateOperation(0,
+                Convert.ToInt32(row.Cells["ColumnStudent"].Value),
+                (Mark)Convert.ToInt32(row.Cells["ColumnMark"].Value)));
+        }
+        return list;
+    }
+}
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkForm.resx b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementForm.resx
similarity index 93%
rename from SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkForm.resx
rename to SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementForm.resx
index 8b2ff64..944be8a 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkForm.resx
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementForm.resx
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
   <!--
-    Microsoft ResX Schema
+    Microsoft ResX Schema 
 
     Version 2.0
 
@@ -48,7 +48,7 @@
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-
+    
     mimetype: application/x-microsoft.net.object.soap.base64
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
@@ -117,4 +117,10 @@
   <resheader name="writer">
     <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
   </resheader>
+  <metadata name="ColumnStudent.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
+  <metadata name="ColumnMark.UserAddedColumn" type="System.Boolean, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089">
+    <value>True</value>
+  </metadata>
 </root>
\ No newline at end of file
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkListForm.Designer.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementListForm.Designer.cs
similarity index 93%
rename from SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkListForm.Designer.cs
rename to SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementListForm.Designer.cs
index d9ff92c..0621fde 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkListForm.Designer.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementListForm.Designer.cs
@@ -1,6 +1,6 @@
 namespace SessionResults_Kudyaeva.Forms
 {
-    partial class AddMarkListForm
+    partial class StatementListForm
     {
         /// <summary>
         /// Required designer variable.
@@ -48,7 +48,7 @@
             // 
             ButtonAdd.BackgroundImage = Properties.Resources.Add;
             ButtonAdd.BackgroundImageLayout = ImageLayout.Stretch;
-            ButtonAdd.Location = new Point(6, 43);
+            ButtonAdd.Location = new Point(6, 12);
             ButtonAdd.Name = "ButtonAdd";
             ButtonAdd.Size = new Size(100, 100);
             ButtonAdd.TabIndex = 3;
@@ -73,15 +73,15 @@
             dataGridViewData.Size = new Size(845, 449);
             dataGridViewData.TabIndex = 4;
             // 
-            // AddMarkListForm
+            // StatementListForm
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(959, 449);
             Controls.Add(dataGridViewData);
             Controls.Add(panel1);
-            Name = "AddMarkListForm";
-            Text = "Добавление оценок";
+            Name = "StatementListForm";
+            Text = "Создание результатов сессии";
             Load += AddMarkListForm_Load;
             panel1.ResumeLayout(false);
             ((System.ComponentModel.ISupportInitialize)dataGridViewData).EndInit();
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkListForm.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementListForm.cs
similarity index 64%
rename from SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkListForm.cs
rename to SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementListForm.cs
index a8f3bd1..2d7de76 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkListForm.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementListForm.cs
@@ -3,16 +3,16 @@ using Unity;
 
 namespace SessionResults_Kudyaeva.Forms;
 
-public partial class AddMarkListForm : Form
+public partial class StatementListForm : Form
 {
     private readonly IUnityContainer _container;
-    private readonly IAddMarkRepository _addMarkRepository;
+    private readonly IStatementRepository _statementRepository;
 
-    public AddMarkListForm(IUnityContainer container, IAddMarkRepository addMarkRepository)
+    public StatementListForm(IUnityContainer container, IStatementRepository statementRepository)
     {
         InitializeComponent();
         _container = container ?? throw new ArgumentNullException(nameof(container));
-        _addMarkRepository = addMarkRepository ?? throw new ArgumentNullException(nameof(addMarkRepository));
+        _statementRepository = statementRepository ?? throw new ArgumentNullException(nameof(statementRepository));
     }
 
     private void AddMarkListForm_Load(object sender, EventArgs e)
@@ -31,7 +31,7 @@ public partial class AddMarkListForm : Form
     {
         try
         {
-            _container.Resolve<AddMarkForm>().ShowDialog();
+            _container.Resolve<StatementForm>().ShowDialog();
             LoadList();
         }
         catch (Exception ex)
@@ -40,6 +40,6 @@ public partial class AddMarkListForm : Form
         }
     }
 
-    private void LoadList() => dataGridViewData.DataSource = _addMarkRepository.GetAllMarks();
+    private void LoadList() => dataGridViewData.DataSource = _statementRepository.GetAllStatements();
 
 }
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkListForm.resx b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementListForm.resx
similarity index 100%
rename from SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/AddMarkListForm.resx
rename to SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StatementListForm.resx
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StudentForm.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StudentForm.cs
index bd8fa45..9f46365 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StudentForm.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/StudentForm.cs
@@ -15,6 +15,7 @@ namespace SessionResults_Kudyaeva.Forms;
 public partial class StudentForm : Form
 {
     private readonly IStudentRepository _studentRepository;
+    private readonly IGroupRepository _groupRepository;
     private int? _studentId;
 
     public int Id
@@ -42,11 +43,17 @@ public partial class StudentForm : Form
         }
     }
 
-    public StudentForm(IStudentRepository studentRepository)
+    public StudentForm(IStudentRepository studentRepository, IGroupRepository groupRepository)
     {
         InitializeComponent();
+        comboBoxGroup.DataSource = groupRepository.GetAllGroups();
+        comboBoxGroup.DisplayMember = "Name";
+        comboBoxGroup.ValueMember = "Id";
         _studentRepository = studentRepository ??
             throw new ArgumentNullException(nameof(studentRepository));
+        _groupRepository = groupRepository ??
+            throw new ArgumentNullException(nameof(groupRepository));
+
     }
 
     private void ButtonSave_Click(object sender, EventArgs e)
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeacherForm.Designer.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeacherForm.Designer.cs
index ff22ac4..9e30f01 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeacherForm.Designer.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeacherForm.Designer.cs
@@ -33,11 +33,9 @@
             labelSurname = new Label();
             label2 = new Label();
             label3 = new Label();
-            label4 = new Label();
             textBoxSurname = new TextBox();
             textBoxName = new TextBox();
             textBoxMiddleName = new TextBox();
-            comboBoxDiscipline = new ComboBox();
             SuspendLayout();
             // 
             // ButtonSave
@@ -48,6 +46,7 @@
             ButtonSave.TabIndex = 9;
             ButtonSave.Text = "Сохранить";
             ButtonSave.UseVisualStyleBackColor = true;
+            ButtonSave.Click += ButtonSave_Click;
             // 
             // ButtonCancel
             // 
@@ -85,15 +84,6 @@
             label3.TabIndex = 13;
             label3.Text = "Отчество";
             // 
-            // label4
-            // 
-            label4.AutoSize = true;
-            label4.Location = new Point(56, 144);
-            label4.Name = "label4";
-            label4.Size = new Size(76, 15);
-            label4.TabIndex = 14;
-            label4.Text = "Дисциплина";
-            // 
             // textBoxSurname
             // 
             textBoxSurname.Location = new Point(200, 52);
@@ -115,25 +105,14 @@
             textBoxMiddleName.Size = new Size(145, 23);
             textBoxMiddleName.TabIndex = 17;
             // 
-            // comboBoxDiscipline
-            // 
-            comboBoxDiscipline.DropDownStyle = ComboBoxStyle.DropDownList;
-            comboBoxDiscipline.FormattingEnabled = true;
-            comboBoxDiscipline.Location = new Point(200, 141);
-            comboBoxDiscipline.Name = "comboBoxDiscipline";
-            comboBoxDiscipline.Size = new Size(145, 23);
-            comboBoxDiscipline.TabIndex = 18;
-            // 
             // TeacherForm
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
             ClientSize = new Size(388, 249);
-            Controls.Add(comboBoxDiscipline);
             Controls.Add(textBoxMiddleName);
             Controls.Add(textBoxName);
             Controls.Add(textBoxSurname);
-            Controls.Add(label4);
             Controls.Add(label3);
             Controls.Add(label2);
             Controls.Add(labelSurname);
@@ -152,10 +131,8 @@
         private Label labelSurname;
         private Label label2;
         private Label label3;
-        private Label label4;
         private TextBox textBoxSurname;
         private TextBox textBoxName;
         private TextBox textBoxMiddleName;
-        private ComboBox comboBoxDiscipline;
     }
 }
\ No newline at end of file
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeacherForm.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeacherForm.cs
index 51ed66f..9eb7de3 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeacherForm.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeacherForm.cs
@@ -32,7 +32,6 @@ public partial class TeacherForm : Form
                 textBoxSurname.Text = teacher.Surname;
                 textBoxName.Text = teacher.Name;
                 textBoxMiddleName.Text = teacher.MiddleName;
-                comboBoxDiscipline.SelectedValue = teacher.DisciplineID;
                 _teacherId = value;
             }
             catch (Exception ex)
@@ -83,6 +82,5 @@ public partial class TeacherForm : Form
         id,
         textBoxSurname.Text,
         textBoxName.Text,
-        textBoxMiddleName.Text,
-        (int)comboBoxDiscipline.SelectedValue!);
+        textBoxMiddleName.Text);
 }
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeacherForm.resx b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeacherForm.resx
index 8b2ff64..af32865 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeacherForm.resx
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Forms/TeacherForm.resx
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <root>
   <!--
-    Microsoft ResX Schema
+    Microsoft ResX Schema 
 
     Version 2.0
 
@@ -48,7 +48,7 @@
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter
             : and then encoded with base64 encoding.
-
+    
     mimetype: application/x-microsoft.net.object.soap.base64
     value   : The object must be serialized with
             : System.Runtime.Serialization.Formatters.Soap.SoapFormatter
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Program.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Program.cs
index fa75fdf..49c9180 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Program.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Program.cs
@@ -2,7 +2,12 @@ using SessionResults_Kudyaeva.Repositories.Implementations;
 using SessionResults_Kudyaeva.Repositories;
 using Unity.Lifetime;
 using Unity;
-using System.ComponentModel;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
+using Serilog;
+using Unity.Microsoft.Logging;
+using ProjectGasStation.Repositories.Implementations;
+using ProjectGasStation.Repositories;
 
 namespace SessionResults_Kudyaeva
 {
@@ -24,14 +29,29 @@ namespace SessionResults_Kudyaeva
         {
             var container = new UnityContainer();
 
+            container.AddExtension(new LoggingExtension(CreateLoggerFactory()));
             // ����������� ������������
             container.RegisterType<IStudentRepository, StudentRepository>(new TransientLifetimeManager());
             container.RegisterType<IGroupRepository, GroupRepository>(new TransientLifetimeManager());
             container.RegisterType<ITeacherRepository, TeacherRepository>(new TransientLifetimeManager());
             container.RegisterType<IDisciplineRepository, DisciplineRepository>(new TransientLifetimeManager());
-            container.RegisterType<IAddMarkRepository, AddMarkRepository>(new TransientLifetimeManager());
+            container.RegisterType<IStatementRepository, StatementRepository>(new TransientLifetimeManager());
+
+            container.RegisterType<IConnectionString, ConnectionString>();
 
             return container;
         }
+
+        private static LoggerFactory CreateLoggerFactory()
+        {
+            var loggerFactory = new LoggerFactory();
+            loggerFactory.AddSerilog(new LoggerConfiguration()
+                .ReadFrom.Configuration(new ConfigurationBuilder()
+                .SetBasePath(Directory.GetCurrentDirectory())
+                .AddJsonFile("appsettings.json")
+                .Build())
+                .CreateLogger());
+            return loggerFactory;
+        }
     }
 }
\ No newline at end of file
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IAddMarkRepository.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IAddMarkRepository.cs
deleted file mode 100644
index e9be827..0000000
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IAddMarkRepository.cs
+++ /dev/null
@@ -1,17 +0,0 @@
-using SessionResults_Kudyaeva.Entities;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace SessionResults_Kudyaeva.Repositories;
-
-public interface IAddMarkRepository
-{
-    void CreateMark(AddMark addMark);
-    void UpdateMark(AddMark addMark);
-    void DeleteMark(int id);
-    AddMark GetMarkById(int id);
-    IEnumerable<AddMark> GetAllMarks();
-}
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IConnectionString.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IConnectionString.cs
new file mode 100644
index 0000000..781a4f9
--- /dev/null
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IConnectionString.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ProjectGasStation.Repositories;
+
+public interface IConnectionString
+{
+    public string ConnectionString { get; }
+}
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IStatementRepository.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IStatementRepository.cs
new file mode 100644
index 0000000..93d37ad
--- /dev/null
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/IStatementRepository.cs
@@ -0,0 +1,14 @@
+using SessionResults_Kudyaeva.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SessionResults_Kudyaeva.Repositories;
+
+public interface IStatementRepository
+{
+    void CreateStatement(Statement statement);
+    IEnumerable<Statement> GetAllStatements();
+}
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/AddMarkRepository.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/AddMarkRepository.cs
deleted file mode 100644
index d328f58..0000000
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/AddMarkRepository.cs
+++ /dev/null
@@ -1,39 +0,0 @@
-using SessionResults_Kudyaeva.Entities;
-using SessionResults_Kudyaeva.Entities.Enums;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace SessionResults_Kudyaeva.Repositories.Implementations;
-
-public class AddMarkRepository : IAddMarkRepository
-{
-    public void CreateMark(AddMark addMark)
-    {
-        // Заглушка
-    }
-
-    public void UpdateMark(AddMark addMark)
-    {
-        // Заглушка
-    }
-
-    public void DeleteMark(int id)
-    {
-        // Заглушка
-    }
-
-    public AddMark GetMarkById(int id)
-    {
-        // Возвращаем объект с фиктивными данными, убедившись, что Mark.One существует
-        return AddMark.CreateOperation(0, 0, 0, 0, Mark.One); // Убедитесь, что Mark.One определен
-    }
-
-    public IEnumerable<AddMark> GetAllMarks()
-    {
-        // Заглушка
-        return new List<AddMark>();
-    }
-}
\ No newline at end of file
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/ConnectionString.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/ConnectionString.cs
new file mode 100644
index 0000000..21513a5
--- /dev/null
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/ConnectionString.cs
@@ -0,0 +1,6 @@
+namespace ProjectGasStation.Repositories.Implementations;
+
+public class ConnectionString : IConnectionString
+{
+    string IConnectionString.ConnectionString => "Host=localhost;Port=5432;Username=student;Password=030405;Database=OTP3";
+}
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/DisciplineRepository.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/DisciplineRepository.cs
index c911c37..35e3f6b 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/DisciplineRepository.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/DisciplineRepository.cs
@@ -1,38 +1,125 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectGasStation.Repositories;
 using SessionResults_Kudyaeva.Entities;
-using SessionResults_Kudyaeva.Entities.Enums;
 
 namespace SessionResults_Kudyaeva.Repositories.Implementations;
 
 
 public class DisciplineRepository : IDisciplineRepository
 {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<DisciplineRepository> _logger;
+
+    public DisciplineRepository(IConnectionString connectionString, ILogger<DisciplineRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+
     public void AddDiscipline(Discipline discipline)
     {
-        // Заглушка
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(discipline));
+
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+            INSERT INTO Discipline (Name, Description, Courses)
+            VALUES (@Name, @Description, @Courses)";
+            connection.Execute(queryInsert, discipline);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void DeleteDiscipline(int id)
     {
-        // Заглушка
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Discipline
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
 
     public IEnumerable<Discipline> GetAllDisciplines()
     {
-        return new List<Discipline>();
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Discipline";
+            var disciplines = connection.Query<Discipline>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(disciplines));
+            return disciplines;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 
     public Discipline GetDisciplineById(int id)
     {
-        return Discipline.Create(0, string.Empty, string.Empty, Course.None);
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"
+                SELECT * FROM Discipline
+                WHERE Id=@id";
+            var discipline = connection.QueryFirst<Discipline>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}",
+                JsonConvert.SerializeObject(discipline));
+            return discipline;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
     }
 
     public void UpdateDiscipline(Discipline discipline)
     {
-        // Заглушка
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}",
+            JsonConvert.SerializeObject(discipline));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE Discipline
+                SET
+                    Name=@Name,
+                    Description=@Description,
+                    Courses=@Courses
+                WHERE Id=@Id";
+            connection.Execute(queryUpdate, discipline);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
     }
 }
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/GroupRepository.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/GroupRepository.cs
index cd69813..9bf0bfb 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/GroupRepository.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/GroupRepository.cs
@@ -1,38 +1,124 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectGasStation.Repositories;
 using SessionResults_Kudyaeva.Entities;
-using SessionResults_Kudyaeva.Entities.Enums;
 
 namespace SessionResults_Kudyaeva.Repositories.Implementations;
 
 
 public class GroupRepository : IGroupRepository
 {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<GroupRepository> _logger;
+
+    public GroupRepository(IConnectionString connectionString, ILogger<GroupRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+
     public void AddGroup(Group group)
     {
-        // Заглушка
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(group));
+
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+            INSERT INTO ""Group"" (Name, Type)
+            VALUES (@Name, @Type)";
+            connection.Execute(queryInsert, group);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void DeleteGroup(int id)
     {
-        // Заглушка
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM ""Group""
+                WHERE ID = @id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
 
     public IEnumerable<Group> GetAllGroups()
     {
-        return new List<Group>();
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM \"Group\"";
+            var groups = connection.Query<Group>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(groups));
+            return groups;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 
     public Group GetGroupById(int id)
     {
-        return Group.Create(0, string.Empty, GroupType.Daytime);
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"
+                SELECT * FROM ""Group""
+                WHERE Id=@id";
+            var group = connection.QueryFirst<Group>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}",
+                JsonConvert.SerializeObject(group));
+            return group;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
     }
 
     public void UpdateGroup(Group group)
     {
-        // Заглушка
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}",
+            JsonConvert.SerializeObject(group));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE ""Group""
+                SET
+                    Name=@Name,
+                    Type=@Type
+                WHERE Id=@Id";
+            connection.Execute(queryUpdate, group);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
     }
 }
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/StatementRepository.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/StatementRepository.cs
new file mode 100644
index 0000000..af83715
--- /dev/null
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/StatementRepository.cs
@@ -0,0 +1,76 @@
+using Dapper;
+using Microsoft.Extensions.Logging;
+using Newtonsoft.Json;
+using Npgsql;
+using ProjectGasStation.Repositories;
+using SessionResults_Kudyaeva.Entities;
+
+namespace SessionResults_Kudyaeva.Repositories.Implementations;
+
+public class StatementRepository : IStatementRepository
+{
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<StatementRepository> _logger;
+
+    public StatementRepository(IConnectionString connectionString, ILogger<StatementRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+    public void CreateStatement(Statement statement)
+    {
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}",
+        JsonConvert.SerializeObject(statement));
+        try
+        {
+            using var connection = new
+            NpgsqlConnection(_connectionString.ConnectionString);
+            connection.Open();
+            using var transaction = connection.BeginTransaction();
+            var queryInsert = @"
+                INSERT INTO Statement (TeacherId, DisciplineId, Date)
+                VALUES (@TeacherId, @DisciplineId, @Date);
+                SELECT MAX(Id) FROM Statement";
+            var statementId =
+            connection.QueryFirst<int>(queryInsert, statement, transaction);
+            var querySubInsert = @"
+                INSERT INTO StatementStudent (StatementId, StudentId, Mark)
+                VALUES (@StatementId, @StudentId, @Mark)";
+            foreach (var elem in statement.StatementStudents)
+            {
+                connection.Execute(querySubInsert, new
+                {
+                    statementId,
+                    elem.StudentId,
+                    elem.Mark
+                }, transaction);
+            }
+            transaction.Commit();
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
+    }
+
+    public IEnumerable<Statement> GetAllStatements()
+    {
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Statement";
+            var statements = connection.Query<Statement>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(statements));
+            return statements;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
+    }
+}
\ No newline at end of file
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/StudentRepository.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/StudentRepository.cs
index 1eeaf6f..640460a 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/StudentRepository.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/StudentRepository.cs
@@ -1,39 +1,125 @@
 using SessionResults_Kudyaeva.Entities;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using SessionResults_Kudyaeva.Entities.Enums;
+using Microsoft.Extensions.Logging;
+using ProjectGasStation.Repositories;
+using Newtonsoft.Json;
+using Npgsql;
+using Dapper;
 
 namespace SessionResults_Kudyaeva.Repositories.Implementations;
 
-using System.Collections.Generic;
-
 public class StudentRepository : IStudentRepository
 {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<StudentRepository> _logger;
+
+    public StudentRepository(IConnectionString connectionString, ILogger<StudentRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+
     public void AddStudent(Student student)
     {
-        // Заглушка
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(student));
+
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+            INSERT INTO Student (Surname, Name, MiddleName, GroupID)
+            VALUES (@Surname, @Name, @MiddleName, @GroupID)";
+            connection.Execute(queryInsert, student);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void DeleteStudent(int id)
     {
-        // Заглушка
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Student
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
 
     public IEnumerable<Student> GetAllStudents()
     {
-        return new List<Student>();
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Student";
+            var students = connection.Query<Student>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(students));
+            return students;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 
     public Student GetStudentById(int id)
     {
-        return Student.Create(0, string.Empty, string.Empty, string.Empty, 0);
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"
+                SELECT * FROM Student
+                WHERE Id=@id";
+            var student = connection.QueryFirst<Student>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}",
+                JsonConvert.SerializeObject(student));
+            return student;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
     }
 
     public void UpdateStudent(Student student)
     {
-        // Заглушка
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}",
+            JsonConvert.SerializeObject(student));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE Student
+                SET
+                    Surname=@Surname,
+                    Name=@Name,
+                    MiddleName=@MiddleName,
+                    GroupID=@GroupID
+                WHERE Id=@Id";
+            connection.Execute(queryUpdate, student);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
     }
 }
\ No newline at end of file
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/TeacherRepository.cs b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/TeacherRepository.cs
index ea25683..0ecaf7a 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/TeacherRepository.cs
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/Repositories/Implementations/TeacherRepository.cs
@@ -1,40 +1,123 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-using SessionResults_Kudyaeva.Entities;
-using SessionResults_Kudyaeva.Entities.Enums;
-
+using SessionResults_Kudyaeva.Entities;
+using Microsoft.Extensions.Logging;
+using ProjectGasStation.Repositories;
+using Newtonsoft.Json;
+using Npgsql;
+using Dapper;
 namespace SessionResults_Kudyaeva.Repositories.Implementations;
 
-
-using System.Collections.Generic;
-
 public class TeacherRepository : ITeacherRepository
 {
+    private readonly IConnectionString _connectionString;
+    private readonly ILogger<TeacherRepository> _logger;
+
+    public TeacherRepository(IConnectionString connectionString, ILogger<TeacherRepository> logger)
+    {
+        _connectionString = connectionString;
+        _logger = logger;
+    }
+
     public void AddTeacher(Teacher teacher)
     {
-        // Заглушка
+        _logger.LogInformation("Добавление объекта");
+        _logger.LogDebug("Объект: {json}", JsonConvert.SerializeObject(teacher));
+
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryInsert = @"
+            INSERT INTO Teacher (Surname, Name, MiddleName)
+            VALUES (@Surname, @Name, @MiddleName)";
+            connection.Execute(queryInsert, teacher);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при добавлении объекта");
+            throw;
+        }
     }
 
     public void DeleteTeacher(int id)
     {
-        // Заглушка
+        _logger.LogInformation("Удаление объекта");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryDelete = @"
+                DELETE FROM Teacher
+                WHERE Id=@id";
+            connection.Execute(queryDelete, new { id });
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при удалении объекта");
+            throw;
+        }
     }
 
     public IEnumerable<Teacher> GetAllTeachers()
     {
-        return new List<Teacher>();
+        _logger.LogInformation("Получение всех объектов");
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = "SELECT * FROM Teacher";
+            var teachers = connection.Query<Teacher>(querySelect);
+            _logger.LogDebug("Полученные объекты: {json}",
+            JsonConvert.SerializeObject(teachers));
+            return teachers;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при чтении объектов");
+            throw;
+        }
     }
 
     public Teacher GetTeacherById(int id)
     {
-        return Teacher.Create(0, string.Empty, string.Empty, string.Empty, 0);
+        _logger.LogInformation("Получение объекта по идентификатору");
+        _logger.LogDebug("Объект: {id}", id);
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var querySelect = @"
+                SELECT * FROM Teacher
+                WHERE Id=@id";
+            var teacher = connection.QueryFirst<Teacher>(querySelect, new { id });
+            _logger.LogDebug("Найденный объект: {json}",
+                JsonConvert.SerializeObject(teacher));
+            return teacher;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при поиске объекта");
+            throw;
+        }
     }
 
     public void UpdateTeacher(Teacher teacher)
     {
-        // Заглушка
+        _logger.LogInformation("Редактирование объекта");
+        _logger.LogDebug("Объект: {json}",
+            JsonConvert.SerializeObject(teacher));
+        try
+        {
+            using var connection = new NpgsqlConnection(_connectionString.ConnectionString);
+            var queryUpdate = @"
+                UPDATE Teacher
+                SET
+                    Surname=@Surname,
+                    Name=@Name,
+                    MiddleName=@MiddleName
+                WHERE Id=@Id";
+            connection.Execute(queryUpdate, teacher);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Ошибка при редактировании объекта");
+            throw;
+        }
     }
 }
\ No newline at end of file
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/SessionResults_Kudyaeva.csproj b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/SessionResults_Kudyaeva.csproj
index accbdf0..09359df 100644
--- a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/SessionResults_Kudyaeva.csproj
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/SessionResults_Kudyaeva.csproj
@@ -9,7 +9,18 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Dapper" Version="2.1.35" />
+    <PackageReference Include="Microsoft.Extensions.Configuration" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Json" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.0" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Npgsql" Version="9.0.1" />
+    <PackageReference Include="Serilog" Version="4.1.0" />
+    <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
+    <PackageReference Include="Serilog.Settings.Configuration" Version="8.0.4" />
+    <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
     <PackageReference Include="Unity" Version="5.11.10" />
+    <PackageReference Include="Unity.Microsoft.Logging" Version="5.11.1" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/SessionResults_Kudyaeva/SessionResults_Kudyaeva/appsettings.json b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/appsettings.json
new file mode 100644
index 0000000..92987f5
--- /dev/null
+++ b/SessionResults_Kudyaeva/SessionResults_Kudyaeva/appsettings.json
@@ -0,0 +1,15 @@
+{
+  "Serilog": {
+    "Using": [ "Serilog.Sinks.File" ],
+    "MinimumLevel": "Debug",
+    "WriteTo": [
+      {
+        "Name": "File",
+        "Args": {
+          "path": "Logs/gas_log.txt",
+          "rollingInterval": "Day"
+        }
+      }
+    ]
+  }
+}
\ No newline at end of file