private void btnInvoice_Click(object sender, RoutedEventArgs e) { InvoiceWindow win = new InvoiceWindow(this, facade.getCarHireForBooking(b), facade.getGuestsForBooking(b).Count); win.Show(); this.Hide(); }
private void btnTotalInvoice_Click(object sender, RoutedEventArgs e) { try { if (lstBoxViewGuests.Items.Count < 1) { throw new ArgumentException("You must add at least one guest"); } InvoiceWindow invoice = new InvoiceWindow(this); invoice.Show(); this.Hide(); } catch (Exception ee) { MessageBox.Show(ee.Message, "Invoice"); } }