public ActionResult DeleteSubject(int id)
{
SubjectRepository subjectRepo = new SubjectRepository();
SubjectDeleteSubjectVM model = new SubjectDeleteSubjectVM();
Subject subject = subjectRepo.GetByID(id);
model.SubjectID = subject.ID;
model.SubjectName = subject.Name;
return View(model);
}
public ActionResult DeleteSubject(SubjectDeleteSubjectVM model)
{
SubjectRepository subjectRepo = new SubjectRepository();
Subject subject = subjectRepo.GetByID(model.SubjectID);
if (subject.CourseSubject.Count() > 0)
{
ModelState.AddModelError("Error", "Subject contains teacher or course");
model.SubjectID = subject.ID;
model.SubjectName = subject.Name;
return View(model);
}
subjectRepo.Delete(subject);
return RedirectToAction("ListSubjects", "Subject");
}