public ActionResult Create(Teacher teacher)
 {
     if (ModelState.IsValid)
     {
         service.Add(teacher);
         return RedirectToAction("Index");
     }
     BaseService.Dictionaries.FillAllDictionaries(teacher);
     return View(teacher);
 }
 public ActionResult Edit(Teacher teacher)
 {
     if (ModelState.IsValid)
     {
         service.Edit(teacher);
         return RedirectToAction("Index");
     }
     return View(teacher);
 }