diff --git a/DepartmentStaffView/DepartmentStaffDatabase/Models.cs b/DepartmentStaffView/DepartmentStaffDatabase/Models.cs
index 4704774..a765d2c 100644
--- a/DepartmentStaffView/DepartmentStaffDatabase/Models.cs
+++ b/DepartmentStaffView/DepartmentStaffDatabase/Models.cs
@@ -53,6 +53,7 @@ namespace DepartmentStaffDatabase
     }
     public class Employee_Course
     {
+        public int? Id { get; set; }
         [BsonRepresentation(BsonType.Int32)]
         public int EmployeeId { get; set; }
         [BsonRepresentation(BsonType.Int32)]
diff --git a/DepartmentStaffView/DepartmentStaffDatabase/MongoImplements.cs b/DepartmentStaffView/DepartmentStaffDatabase/MongoImplements.cs
index 864ab5e..ba45499 100644
--- a/DepartmentStaffView/DepartmentStaffDatabase/MongoImplements.cs
+++ b/DepartmentStaffView/DepartmentStaffDatabase/MongoImplements.cs
@@ -235,6 +235,12 @@ namespace DepartmentStaffDatabase
 
         public override void CreateEmployee_Course(Employee_Course employee_course)
         {
+            var maxId = 0;
+            if (GetEmployee_Courses().Count > 0)
+            {
+                maxId = _employee_CourseCollection.AsQueryable().Max(crs => crs.Id).Value;
+            }
+            employee_course.Id = maxId + 1;
             _employee_CourseCollection.InsertOne(employee_course);
         }
         public override void DeleteEmployee_Course(int empId, int courseId)
@@ -247,7 +253,21 @@ namespace DepartmentStaffDatabase
         }
         public override List<Employee_Course> GetEmployee_Courses()
         {
-            return _employee_CourseCollection.Find(_ => true).ToList();
+            var employee_CourseList = _employee_CourseCollection.Find(_ => true).ToList();
+
+            var resultList = new List<Employee_Course>();
+
+            foreach (var employee_Course in employee_CourseList)
+            {
+                resultList.Add(new Employee_Course
+                {
+                    Id = employee_Course.Id,
+                    EmployeeId = employee_Course.EmployeeId,
+                    CourseId = employee_Course.CourseId
+                });
+            }
+
+            return resultList;
         }
         public override void DeleteEmployee_Courses()
         {
diff --git a/DepartmentStaffView/DepartmentStaffView/FormEmployee_Courses.cs b/DepartmentStaffView/DepartmentStaffView/FormEmployee_Courses.cs
index d95cc36..ae18888 100644
--- a/DepartmentStaffView/DepartmentStaffView/FormEmployee_Courses.cs
+++ b/DepartmentStaffView/DepartmentStaffView/FormEmployee_Courses.cs
@@ -24,7 +24,20 @@ namespace DepartmentStaffView
         {
             try
             {
+                if (dataGridView1.ColumnCount == 0)
+                {
+                    dataGridView1.Columns.Add("EmployeeId", "EmployeeId");
+                    dataGridView1.Columns.Add("CourseId", "CourseId");
+                }
                 var list = db.GetEmployee_Courses();
+                if (list != null)
+                {
+                    dataGridView1.Rows.Clear();
+                    foreach (var el in list)
+                    {
+                        dataGridView1.Rows.Add(el.EmployeeId, el.CourseId);
+                    }
+                }
             }
             catch (Exception ex)
             {