public ActionResult Edit(CarDiagramModel model) { if (ModelState.IsValid) { var entity = _mapper.Map<CarDiagram>(model); string error = _carDiagramService.Update(entity); if (error != null) { ModelState.AddModelError(string.Empty, error); return View(model); } return RedirectToAction("Index"); } else { ModelState.AddModelError(string.Empty, LocalResources.Resource.CannotInsertData); return View(model); } }