private void Check_Click(object sender, RoutedEventArgs e) { try { switch (FilterName.SelectedIndex) { case 0: //pasport FineList.ItemsSource = DriverLogic.GetListFine(CheckItem.Text).DefaultView; break; case 1: //license FineList.ItemsSource = LogicLicense.GetListFine(CheckItem.Text).DefaultView; break; } } catch (Exception ex) { MessageBox.Show(ex.Message); } }