public void SaveOldRow(TblMethodOfPaymentViewModel oldRow)
        {
            if (oldRow != null)
            {
                var valiationCollection = new List <ValidationResult>();

                var isvalid = Validator.TryValidateObject(oldRow,
                                                          new ValidationContext(oldRow, null, null), valiationCollection, true);

                if (isvalid)
                {
                    var save = oldRow.Iserial == 0;
                    if (AllowUpdate != true && !save)
                    {
                        MessageBox.Show(strings.AllowUpdateMsg);
                        return;
                    }
                    var saveRow = new TblMethodOfPayment();
                    saveRow.InjectFrom(oldRow);

                    Glclient.UpdateOrInsertTblMethodOfPaymentsAsync(saveRow, save, MainRowList.IndexOf(oldRow),
                                                                    LoggedUserInfo.DatabasEname);
                }
            }
        }