GNC:\Users\lephu\source\repos\PE_PRN211_Sum21\PE_PRN211_!
Course: 1 PRN211_Sum21
Student: 1 Trung Mark: 7,5
Student: 2 Hoa Mark: 7,8
Student: 3 Vinh Mark: 7,4
-After remove:
Course: 1 PRN211 Sum21
Student: 1 Trung Mark: 7,5
Student: 3 Vinh Mark: 7,4
---After add event handler:
Number of student has changed from 2 to 3.Number of student has changed from 3 to 2.
Course: 1 PRN211 Sum21
Student: 4 Hoang Anh Mark: 8
Student: 3 Vinh Mark: 7,4
Figure 2: Output screen
Question 2. (4 points)
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You are asked to write a windows form application that allows listing, adding, editing and deleting employee information in the database, by using Entity Framework.
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