public Boolean checkRoomAvailability(string roomNo, DateTime startDtae, int duration)
        {
            IRoomEnquiryBLL roomEnquiryBLL = BLLFactory.getRoomEnquiryBLL();

            DateTime endDate = startDtae + new TimeSpan(duration, 0, 0, 0);

            return(roomEnquiryBLL.checkRoomAvailability(roomNo, startDtae, endDate));
        }
        public List <Room> getAllRooms()
        {
            IRoomEnquiryBLL roomEnquiryBLL = BLLFactory.getRoomEnquiryBLL();

            return(roomEnquiryBLL.getAllRooms());
        }