private void btnDelete_Click(object sender, RoutedEventArgs e) { ObservableCollection <string> accidentrecordId = new ObservableCollection <string>(); if (dg.SelectedItems.Count > 0) { for (int i = 0; i < dg.SelectedItems.Count; i++) { accidentrecordId.Add((dg.SelectedItems[i] as T_OA_ACCIDENTRECORD).ACCIDENTRECORDID); } string Result = ""; ComfirmWindow com = new ComfirmWindow(); com.OnSelectionBoxClosed += (obj, result) => { vehicleClient.DeleteAccidentRecordListAsync(accidentrecordId); }; com.SelectionBox(Utility.GetResourceStr("DELETECONFIRM"), Utility.GetResourceStr("DELETEALTER"), ComfirmWindow.titlename, Result); } else { ComfirmWindow.ConfirmationBox(Utility.GetResourceStr("CONFIRMINFO"), Utility.GetResourceStr("SELECTERROR", "DELETE"), Utility.GetResourceStr("CONFIRMBUTTON")); } }