public ActionResult RoomSalesList(int id = 0)
        {
            IEnumerable <RoomSales> model;

            if (id == 0)
            {
                model = _serviceRoomSales.GetReserveRooms().ToList();
            }
            else
            {
                model          = _serviceRoomSales.GetSaleRooms(id).ToList();
                ViewBag.SaleId = id;
            }
            if (!model.Any())
            {
                model = new List <RoomSales>();
            }
            return(View(model.EntityToModelList(true)));
        }