public ActionResult _SelTyly(long roomId)
        {
            ViewBag.RoomId = roomId;
            var room = RoomBll.GetById(roomId);
            var msg  = RoomBll.GetSpecialMessage(roomId);

            if (msg == null)
            {
                msg = new RoomMessage();
            }
            ViewBag.Message = msg;

            ViewBag.LockBz = room.LockBz;
            return(View());
        }