/// <summary>
        /// 房间留言
        /// </summary>
        /// <param name="roomId"></param>
        /// <returns></returns>
        public ActionResult _SelMessage(long roomId)
        {
            var hotelId = UserContext.CurrentUser.HotelId;

            ViewBag.HotelId = hotelId;
            ViewBag.RoomId  = roomId;
            var room = RoomBll.GetById(roomId);

            if (room != null)
            {
                var msg = RoomBll.GetMessage(roomId);
                if (msg == null)
                {
                    msg = new RoomMessage();
                }
                ViewBag.Message   = msg;
                ViewBag.RoomRegId = room.RoomRegId;
                ViewBag.Room      = room;
                ViewBag.RoomReg   = RoomRegBll.GetById(room.RoomRegId);
            }
            else
            {
                ViewBag.Message   = new RoomMessage();
                ViewBag.Room      = new Hotel.Model.Room();
                ViewBag.RoomRegId = 0;
                ViewBag.RoomReg   = new Hotel.Model.RoomReg();
            }

            return(View());
        }