public frmPackageService()
        {
            InitializeComponent();

            _packageBll = new PackageBLL();
            _bookingBLL = new BookingBLL();
            _passengerBLL = new PassengerBLL();

            LoadPackages();

            callback = new FlightQueryCallback1(this);
            Initialise();

            _hotelBooking = new HotelDataInfoUpdateClient();
            _hotelEnquiry = new HotelInfoEnquiryServiceClient();
        }
        public frmPackageService()
        {
            InitializeComponent();

            _packageBll   = new PackageBLL();
            _bookingBLL   = new BookingBLL();
            _passengerBLL = new PassengerBLL();

            LoadPackages();

            callback = new FlightQueryCallback1(this);
            Initialise();

            _hotelBooking = new HotelDataInfoUpdateClient();
            _hotelEnquiry = new HotelInfoEnquiryServiceClient();
        }