private void PreLoadFTData()
        {
            var hotelId = UserContext.CurrentUser.HotelId;

            if (!_ft_isLoaded)
            {
                _ft_isLoaded           = true;
                _ft_rooms              = RoomBll.GetListBy(hotelId);
                _ft_roomregs           = RoomRegBll.GetListByHotelId(hotelId);
                _ft_members            = MemberBll.GetList(hotelId);
                _ft_membersType        = MemberTypeBll.GetList(hotelId);
                _ft_RoomRegGuestInfoCN = RoomRegGuestInfoCNBll.GetListByHotelId(hotelId);
                _ft_RoomRegGuestInfoEN = RoomRegGuestInfoENBll.GetListByHotelId(hotelId);
                _ft_MaterialLease      = MaterialLeaseBll.GetListByHotel(hotelId);
                _ft_RoomType           = RoomTypeBll.GetListByHotelId(hotelId);
                _ft_RoomYdRecord       = RoomYdRecordBll.GetListByHotel(hotelId);
                _ft_GlobalFeeSet       = GlobalFeeSetBll.GetByHotelId(hotelId);
                _ft_MaintainRoom       = MaintainRoomBll.GetListByHotelId(hotelId);
                _ft_RoomSelfuse        = RoomSelfBll.GetListByHotelId(hotelId);
                _ft_RoomYD             = RoomYdBll.GetListByHotel(hotelId);
                _ft_RoomSet            = RoomSetBll.GetBy(hotelId);
                if (_ft_RoomSet == null)
                {
                    _ft_RoomSet = RoomSetBll.GetBy(0);
                }
            }
        }