diff --git a/StudentProgress/StudentProgress/Forms/FormGrade.cs b/StudentProgress/StudentProgress/Forms/FormGrade.cs
index 6feea54..4b749ab 100644
--- a/StudentProgress/StudentProgress/Forms/FormGrade.cs
+++ b/StudentProgress/StudentProgress/Forms/FormGrade.cs
@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Windows.Forms;
-using StudentProgress.Entities;
+using StudentProgress.Entities;
 using StudentProgress.Entities.Enums;
 using StudentProgress.Repositories;
 
@@ -18,23 +15,16 @@ namespace StudentProgress.Forms
             IProfessorsRepository professorsRepository, IStudentRepository studentRepository)
         {
             InitializeComponent();
+
             _gradesRepository = gradesRepository ?? throw new ArgumentNullException(nameof(gradesRepository));
             _subjectsRepository = subjectsRepository ?? throw new ArgumentNullException(nameof(subjectsRepository));
             _professorsRepository = professorsRepository ?? throw new ArgumentNullException(nameof(professorsRepository));
             _studentRepository = studentRepository ?? throw new ArgumentNullException(nameof(studentRepository));
 
-            LoadWorkTypes();
             LoadSubjects();
             LoadProfessors();
             LoadStudents();
-        }
 
-        private void LoadWorkTypes()
-        {
-            foreach (var elem in Enum.GetValues(typeof(TypeOfWork)))
-            {
-                checkedListBoxType.Items.Add(elem);
-            }
         }
 
         private void LoadSubjects()
@@ -47,9 +37,9 @@ namespace StudentProgress.Forms
 
         private void LoadProfessors()
         {
-            var professors = _professorsRepository.ReadProfessorsName();
+            var professors = _professorsRepository.ReadProfessors();
             comboBoxProfessor.DataSource = professors;
-            comboBoxProfessor.DisplayMember = "FirstNameProfessor";
+            comboBoxProfessor.DisplayMember = "FirstName";
             comboBoxProfessor.ValueMember = "Id";
         }
 
@@ -65,11 +55,11 @@ namespace StudentProgress.Forms
         {
             try
             {
-                if (comboBoxSubject.SelectedIndex < 0 || checkedListBoxType.CheckedItems.Count == 0)
+                if (comboBoxSubject.SelectedIndex < 0 || dataGridView1.RowCount < 1)
                 {
                     throw new Exception("Имеются незаполненные поля");
                 }
-                CreateGrade(0);
+                _gradesRepository.CreateGrade(CreateGrade(0));
                 Close();
             }
             catch (Exception ex)
@@ -80,43 +70,18 @@ namespace StudentProgress.Forms
 
         private void buttonCancel_Click(object sender, EventArgs e) => Close();
 
-        private Grades CreateGrade(int id)
-        {
-            TypeOfWork typeOfWork = TypeOfWork.None;
-            foreach (var elem in checkedListBoxType.CheckedItems)
-            {
-                typeOfWork |= (TypeOfWork)elem;
-            }
-            return Grades.CreateEntity(id, (int)comboBoxSubject.SelectedValue, (int)comboBoxProfessor.SelectedValue, dateTimePicker1.Value);
-        }
+        private Grades CreateGrade(int id) => Grades.CreateEntity(id, (int)comboBoxSubject.SelectedValue!, (int)comboBoxProfessor.SelectedValue!, dateTimePicker1.Value, CreateListStudentGradesFromDataGrid());
 
-        private void FormGrade_Load(object sender, EventArgs e)
-        {
-            var columnGrade = new DataGridViewComboBoxColumn
-            {
-                Name = "ColumnGrade",
-                HeaderText = "Оценка",
-                DataSource = Enum.GetValues(typeof(Grade))
-            };
-
-            if (dataGridView1.Columns["ColumnGrade"] != null)
-            {
-                dataGridView1.Columns.Remove("ColumnGrade");
-            }
-
-            dataGridView1.Columns.Add(columnGrade);
-        }
-
-        private List<StudentGrades> CreateListFeedFeedReplenishmentsFromDataGrid()
+        public List<StudentGrades> CreateListStudentGradesFromDataGrid()
         {
             var list = new List<StudentGrades>();
             foreach (DataGridViewRow row in dataGridView1.Rows)
             {
-                if (row.Cells["ColumnStudent"].Value == null || row.Cells["ColumnGrade"].Value == null)
+                if (row.Cells["ColumnStudent"].Value == null || row.Cells["ColumnMark"].Value == null)
                 {
                     continue;
                 }
-                list.Add(StudentGrades.CreateEntity(0, Convert.ToInt32(row.Cells["ColumnStudent"].Value), (Grade)(row.Cells["ColumnGrade"].Value)));
+                list.Add(StudentGrades.CreateEntity(0, Convert.ToInt32(row.Cells["ColumnStudent"].Value), (Grade)Convert.ToInt32(row.Cells["ColumnMark"].Value)));
             }
             return list;
         }