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");
        }