public ActionResult Create(Actor newActor)
 {
     if (ModelState.IsValid) {
         _repository.Save(newActor);
         return RedirectToAction("Index");
     } else {
         return View(newActor);
     }
 }
        public ActionResult Edit(Actor model)
        {
            try {
                Actor actor = _repository.FindById(model.ID);
                UpdateModel(actor);
                _repository.Save(actor);
                return RedirectToAction("Details", new { id = model.ID });
            } catch (Exception) {
                ModelState.AddModelError("", "Edit Failure, see inner exception");
            }

            return View(model);
        }