// GET: Teacher/Edit/5 public async Task <ActionResult> Edit(int?id) { if (id == null) { return(NotFound()); } var teacher = await teacherRepo.GetTeacherForId(id.Value); if (teacher == null) { return(NotFound()); } TeacherEducationsVM vm = new TeacherEducationsVM(educationRepo, teacher); return(View(vm)); }