// New Reservation Tab - Reciept Tab
        // 预订 - 生成订单

        private void RecieptConfirmBtn_Click(object sender, RoutedEventArgs e)
        {
            if (ArrivalTimeHourCombo.Value == null)
            {
                MessageBox.Show("请填写最晚到店时间");
                return;
            }
            facade.CreateBookings(selectedRoomList,
                                  (DateTime)StartDatePicker.SelectedDate,
                                  (DateTime)EndDatePicker.SelectedDate,
                                  string.Format("{0:HHmm}", ArrivalTimeHourCombo.Value),
                                  customer.ID, reservation.ID
                                  );
            facade.ComfirmReservation(reservation, double.Parse(RecieptDownPaymentTbx.Text));
            MessageBox.Show("预订成功!");
            ClearReservationTab(sender, e);
        }