private void LoadcbGESO()
        {
            var index = cbOrganizationInvoice.SelectedIndex;

            if (index == 0 || index == -1)
            {
                OperationResult objOperationResult = new OperationResult();
                Utils.LoadDropDownList(cbGeso, "Value1", "Id", _oSystemParameterBL.GetGESO(ref objOperationResult, null), DropDownListAction.Select);
                return;
            }

            var    dataList = cbOrganization.SelectedValue.ToString().Split('|');
            string idOrg    = dataList[0];
            string idLoc    = dataList[1];

            OperationResult objOperationResult1 = new OperationResult();

            Utils.LoadDropDownList(cbGeso, "Value1", "Id", _oSystemParameterBL.GetGESOByOrgIdAndLocationId(ref objOperationResult1, idOrg, idLoc), DropDownListAction.Select);
        }