доработки по формам

ExamTimetable/ExamTimetable/FormComission.Designer.cs

@@ -43,6 +43,7 @@
 			// 
 			this.dataGridView.AllowUserToAddRows = false;
 			this.dataGridView.AllowUserToDeleteRows = false;
+			this.dataGridView.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
 			this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
 			this.dataGridView.Location = new System.Drawing.Point(12, 12);
 			this.dataGridView.Name = "dataGridView";

ExamTimetable/ExamTimetable/FormExam.Designer.cs

@@ -49,6 +49,7 @@
 			// 
 			this.dataGridView.AllowUserToAddRows = false;
 			this.dataGridView.AllowUserToDeleteRows = false;
+			this.dataGridView.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
 			this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
 			this.dataGridView.Location = new System.Drawing.Point(12, 12);
 			this.dataGridView.Name = "dataGridView";

ExamTimetable/ExamTimetable/FormFaculty.Designer.cs

@@ -41,6 +41,7 @@
 			// 
 			// dataGridView
 			// 
+			this.dataGridView.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
 			this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
 			this.dataGridView.Location = new System.Drawing.Point(12, 12);
 			this.dataGridView.Name = "dataGridView";

ExamTimetable/ExamTimetable/FormMain.cs

@@ -1,6 +1,7 @@
 using ExamTimetable_Database;
 using ExamTimetable_Forms;
 using Microsoft.Extensions.DependencyInjection;
+using System.Windows.Forms;
 
 namespace ExamTimetable
 {
@@ -61,9 +62,40 @@ namespace ExamTimetable
             var service = Program.ServiceProvider?.GetService(typeof(Abstractions));
             if (service is Abstractions bd)
             {
-                // Замените "GetCars" на метод вашего класса, который выполняет запрос к сущности
+                /*var exams = bd.GetExams();
+                int id = exams.Last().exam_id;
+                var exam = exams.Last();*/
+                string test = "test";
+                var faculties = bd.GetFaculties();
+                int id = faculties.Last().faculty_id;
+                var faculty = faculties.Last();
+                
 				DateTime startTime = DateTime.Now;
-                var result = bd.GetExams(); // Выполняем запрос к сущности
+				/*Exam updatedExam = new Exam
+				{
+					exam_id = id,
+					exam_date = exam.exam_date,
+					exam_place = exam.exam_place,
+					exam_subject = test,
+					com_id = exam.com_id,
+					exam_time = exam.exam_time
+				};*/
+				Faculty updatedFaculty = new Faculty
+				{
+					faculty_id = id,
+					faculty_name = test,
+					uni_id = faculty.uni_id
+				};
+                //var result = bd.GetExams(); // Âûïîëíÿåì çàïðîñ ê ñóùíîñòè
+                //var result = bd.GetExamById(id);
+                //bd.AddExam(exam);
+                //bd.UpdateExam(updatedExam);
+                //bd.DeleteExam(id);
+                //var result = bd.GetFaculties();
+                //var result = bd.GetFacultyById(id);
+                //bd.AddFaculty(faculty);
+                bd.UpdateFaculty(updatedFaculty);
+				//bd.DeleteFaculty(id);
 				DateTime endTime = DateTime.Now;
 
                 // Âûâîäèì âðåìÿ âûïîëíåíèÿ çàïðîñà â êîíñîëü

ExamTimetable/ExamTimetable/FormSpecialization.Designer.cs

@@ -43,6 +43,7 @@
 			// 
 			this.dataGridView.AllowUserToAddRows = false;
 			this.dataGridView.AllowUserToDeleteRows = false;
+			this.dataGridView.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
 			this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
 			this.dataGridView.Location = new System.Drawing.Point(12, 12);
 			this.dataGridView.Name = "dataGridView";

ExamTimetable/ExamTimetable/FormUniversity.Designer.cs

@@ -47,6 +47,7 @@
 			// 
 			this.dataGridView.AllowUserToAddRows = false;
 			this.dataGridView.AllowUserToDeleteRows = false;
+			this.dataGridView.AutoSizeColumnsMode = System.Windows.Forms.DataGridViewAutoSizeColumnsMode.Fill;
 			this.dataGridView.ColumnHeadersHeightSizeMode = System.Windows.Forms.DataGridViewColumnHeadersHeightSizeMode.AutoSize;
 			this.dataGridView.Location = new System.Drawing.Point(12, 12);
 			this.dataGridView.Name = "dataGridView";

ExamTimetable/ExamTimetable_Database/Implementation.cs

@@ -128,7 +128,10 @@ namespace ExamTimetable_Database
         {
             using var conn = GetConnection();
             conn.Open();
-            using var cmd = new NpgsqlCommand($"UPDATE faculty SET faculty_name = {faculty.faculty_name}, uni_id = {faculty.uni_id} WHERE faculty_id = {faculty.faculty_id}", conn);
+            using var cmd = new NpgsqlCommand($"UPDATE faculty SET faculty_name = @faculty_name, uni_id = @uni_id WHERE faculty_id = @faculty_id", conn);
+            cmd.Parameters.AddWithValue("@faculty_id", faculty.faculty_id);
+            cmd.Parameters.AddWithValue("@faculty_name", faculty.faculty_name);
+            cmd.Parameters.AddWithValue("@uni_id", faculty.uni_id);
             cmd.ExecuteNonQuery();
         }
         public override void DeleteFaculty(int id)
@@ -315,7 +318,14 @@ namespace ExamTimetable_Database
         {
             using var conn = GetConnection();
             conn.Open();
-            using var cmd = new NpgsqlCommand($"UPDATE exam SET exam_date = {exam.exam_date}, exam_place = {exam.exam_place}, exam_subject = {exam.exam_subject}, com_id = {exam.com_id}, exam_time= {exam.exam_time}  WHERE exam_id = {exam.exam_id}", conn);
+            //using var cmd = new NpgsqlCommand($"UPDATE exam SET exam_date = {exam.exam_date}, exam_place = {exam.exam_place}, exam_subject = {exam.exam_subject}, com_id = {exam.com_id}, exam_time= {exam.exam_time}  WHERE exam_id = {exam.exam_id}", conn);
+			using var cmd = new NpgsqlCommand($"UPDATE exam SET exam_date = @exam_date, exam_place = @exam_place, exam_subject = @exam_subject, com_id = @com_id, exam_time= @exam_time  WHERE exam_id = @exam_id", conn);
+            cmd.Parameters.AddWithValue("@exam_id", exam.exam_id);
+            cmd.Parameters.AddWithValue("@exam_date", exam.exam_date);
+            cmd.Parameters.AddWithValue("@exam_place", exam.exam_place);
+            cmd.Parameters.AddWithValue("@exam_subject", exam.exam_subject);
+            cmd.Parameters.AddWithValue("@com_id", exam.com_id);
+            cmd.Parameters.AddWithValue("@exam_time", exam.exam_time);
 			cmd.ExecuteNonQuery();
         }
         public override void DeleteExam(int id)