void GetBan() { TeacherBLL Teacher = new TeacherBLL(); cmbbanname.DisplayMember = "教师姓名"; cmbbanname.ValueMember = "教师编号"; cmbbanname.DataSource = Teacher.GetAllTeacher(); }
void GetAllTeacher() { TeacherBLL teacher = new TeacherBLL(); databanzhuren.DataSource = teacher.GetAllTeacher(); }