void btnDelete_Click(object sender, RoutedEventArgs e) { ObservableCollection <string> contractTypeID = new ObservableCollection <string>(); if (DaGr.SelectedItems.Count > 0) { for (int i = 0; i < DaGr.SelectedItems.Count; i++) { contractTypeID.Add((DaGr.SelectedItems[i] as T_OA_CONTRACTTYPE).CONTRACTTYPEID); } string Result = ""; ComfirmWindow com = new ComfirmWindow(); com.OnSelectionBoxClosed += (obj, result) => { ContractManagements.DeleteContraTypeAsync(contractTypeID); }; com.SelectionBox(Utility.GetResourceStr("DELETECONFIRM"), Utility.GetResourceStr("DELETEALTER"), ComfirmWindow.titlename, Result); } else { ComfirmWindow.ConfirmationBox(Utility.GetResourceStr("CONFIRMINFO"), Utility.GetResourceStr("SELECTERROR", "DELETE"), Utility.GetResourceStr("CONFIRMBUTTON")); } }