private static void UpdateLabelPrintStatus()
        {
            DaoFactory f = new DaoFactory();

            if (sListLabels == null || sListLabels.Count == 0)
                return;


            foreach (Label label in sListLabels)
            {
                if (label.Printed == true || label.LabelID == 0)
                    continue;

                label.Printed = true;
                f.DaoLabel().Update(label);
            }
        }