protected override bool DeletingItem(object item) { RoleBll bll = new RoleBll(AppSettings.CurrentSetting.ConnectUri); Role info = (Role)item; CommandResult result = bll.Delete(info); if (result.Result != ResultCode.Successful) { MessageBox.Show(result.Message,LJH.Attendance.UI.Properties.Resources.Form_Alert, MessageBoxButtons.OK, MessageBoxIcon.Warning); } return result.Result == ResultCode.Successful; }