// GET: Event/Edit/5 public ActionResult Edit(int?id) { if (id == null) { return(new HttpStatusCodeResult(HttpStatusCode.BadRequest)); } EventDTO EventDTO = EventService.GetEventID((int)id); if (EventDTO == null) { return(HttpNotFound()); } EventViewModel EventViewModel = EventMapping.EventDTO2EventViewModel(EventDTO); Session["EventID"] = EventViewModel.EventID; return(View(EventViewModel)); }