private void BtnChoosePackage_Click(object sender, RoutedEventArgs e) { if (!rbSpecial.IsChecked.Value && !rbStandart.IsChecked.Value) { MessageBox.Show("Lütfen Paket Seçiniz"); } else { if (rbSpecial.IsChecked.Value) { StaticOrder.SetPackageTypeId((int)PackageTypeList.Special); } else { StaticOrder.SetPackageTypeId((int)PackageTypeList.Standart); } CreateCarChoose createCarChoose = new CreateCarChoose(); createCarChoose.Show(); this.Close(); } }