private void deleteCompleted(object sender, DeleteDEPARTMENTCompletedEventArgs e) { try { //delete successful if (e.Result.Result.Equals("0")) { //remove on current CurrentData this.currentData.Remove(this.currentSelectItem.ItemContent); this.DataRefresh(); } else { this.messagePop.SetSingleError(CommonResource.errorDelete + "\n " + e.Result.ErrorDesc); } } catch (Exception) { this.messagePop.SetSingleError(CommonResource.errorCannotConnectServer); } finally { MyHelper.IsFree(); } }