public void load_accounttitle(ComboBox cbo)
        {
            try
            {
                DataTable    dt = new DataTable();
                thisDatabase db = new thisDatabase();

                dt = db.QueryOnTableWithParams("m04", "at_code, at_desc", "", " ORDER BY at_desc ASC");

                db.CloseConn();
                cbo.DataSource    = dt;
                cbo.DisplayMember = "at_desc";
                cbo.ValueMember   = "at_code";
                cbo.SelectedIndex = -1;
            }
            catch (Exception) { }
        }