private void teacherDeleteButton_Click(object sender, EventArgs e)
{
var selectedRowIndex = GetSelectedRowIndex(teachersDataGridView);
if (selectedRowIndex == null)
{
return;
}
TeachersRepository.Delete(TeachersRepository.GetAll()[(int)selectedRowIndex].Id);
UpdateTeachersGrid();
}
public ActionResult DeleteConfirmed(int id)
{
Teacher teacher = teachersRepo.GetById(id);
try
{
teachersRepo.Delete(teacher);
}
catch (Exception)
{
ViewBag.Message = "Teacher " + teacher.FirstName + " " + teacher.LastName + " cannot be deleted. He has related courses. Delete courses first.";
ViewBag.Related = "Go to Courses";
ViewBag.Controller = "Courses";
return(View("DeleteError"));
}
return(RedirectToAction("Index"));
}
public void DeleteTeacher(TeacherEntity teacher)
{
TeachersRepository teachRepo = new TeachersRepository();
using (var uow = UnitOfWork.CreateUoW())
{
try
{
teachRepo.Delete(teacher.Id, uow);
uow.ApplyChanges();
}
catch (Exception ex)
{
DbLog.LogError("Error deleting teacher " + teacher.Id, ex);
throw ex;
}
}
}