private void RepositoryArticleLookupEdit_EditValueChanged(object sender, EventArgs e)
 {
     var selectedRow = MasterGridView.GetRowCellValue(MasterGridView.SourceRowHandle, "ArticleId");
 }
 void OrderlineList_ListChanged(object sender, ListChangedEventArgs e)
 {
     var selectedRow = MasterGridView.GetRowCellValue(MasterGridView.SourceRowHandle, "ArticleId");
 }