public bool AddBooking(BookingDTO oBookingData, BookedRooms[] oBookedRooms, BookingWaitListDTO[] oBookingWaitListData, out int BookingId) { try { if (bookingHelper == null) { bookingHelper = new BookingHelper(); } return(bookingHelper.AddBooking(oBookingData, oBookedRooms, oBookingWaitListData, out BookingId)); } catch (Exception exp) { throw exp; } }