private void setInstructorBtn_Click(object sender, EventArgs e)
{
Admin adm = MyAdmin.Admin;
//Student stu = new Student(students[studentsComboBox.SelectedIndex].Id, students[studentsComboBox.SelectedIndex].Name);
student = StudentDAL.GetById(students[studentsComboBox.SelectedIndex].Id);
//student.Id = students[studentsComboBox.SelectedIndex].Id;
bool isInst = StudentDAL.SetInstructor(student);
int res = StudentDAL.Add(student.UserName, student.Name, student.Age, student.Address, student.Phone, student.Email, isInst, student.Admin.Id, student.Department.Id, student.Password);
if (res != 0)
{
StudentDAL.DeleteById(student.Id);
}
}