private void BtFinish_Click(object sender, RoutedEventArgs e) { if (CompetitionsToSelect.SelectedItem == null) { MessageBox.Show(Properties.Resources.NothingSelected); return; } /*try {*/ _competition = _competitionService.ListCompetitionsToInscribeObject(_athlete) .ElementAt(CompetitionsToSelect.SelectedIndex); if (_enrollService.IsAthleteInComp(_competition, _athlete)) { MessageBox.Show(Properties.Resources.PreviouslyEnrolled); return; } new DialogPayment(_athlete, _competition).ShowDialog(); LoadData(TxDni.Text); /*} catch (ApplicationException) { * MessageBox.Show(Properties.Resources.PreviouslyEnrolled); * }*/ }