void wc_ws_selectModelsCompleted(object sender, ws_selectModelsCompletedEventArgs e) { if (e.Result != null) { collection = new PagedCollectionView(e.Result); dg_Models.ItemsSource = collection; } else { cwnd_ShitHappens w = new cwnd_ShitHappens(ErrorResources.err_UPDATE, e.OpStatus.ToString()); w.Show(); } }