public ActionResult EditClientList(int id, string config) { ViewBag.Client = service.FindClientById(id).ToString(); if (config == "registr") { return(View(service.FindTicketListByClientId(id))); } if (config == "return") { return(View("DeleteClientList", service.FindTicketListByClientId(id))); } throw new Exception("config имеет необычное значение"); }