private void btnNewPosition_Click(object sender, RoutedEventArgs e) { JudgeInfo judge = grdUnSelJudge.SelectedItem as JudgeInfo; JudgeInfo pos = grdSelJudge.SelectedItem as JudgeInfo; if (DatabaseOperation.AddMatchOfficial(m_matchID, m_serverGroupID)) { m_selJudge = DatabaseOperation.GetMatchOfficials(m_matchID, m_serverGroupID); grdSelJudge.ItemsSource = m_selJudge; } else { AthleticsCommon.ShowLastErrorBox(); } }