private void Button_AddCustomer(object sender, RoutedEventArgs e) { Window AddCustomer = new KundeHinzufügen(null); AddCustomer.Show(); this.Close(); }
private void Button_ModifyCustomer(object sender, RoutedEventArgs e) { var viewModel = (KundeViewModel)DataContext; Window AddCustomer = new KundeHinzufügen(viewModel.SelectedKunde); AddCustomer.Show(); this.Close(); }