private void ShowAllPageTotal(ExchangeVoucherHeaderDataSource ds)
    {
        litDealerFee.Text = ds.AllPage_TotalFeeO.ToString("N0");
        litDealerQty.Text = ds.AllPage_TotalSparesO.ToString("N0");
        litDealerSparesAmount.Text = ds.AllPage_TotalAmountO.ToString("N0");
        litDealerTotalAll.Text = ds.AllPage_AllTotalO.ToString("N0");

        litVMEPFee.Text = ds.AllPage_TotalFeeM.ToString("N0");
        litVMEPQty.Text = ds.AllPage_TotalSparesM.ToString("N0");
        litVMEPSparesAmount.Text = ds.AllPage_TotalAmountM.ToString("N0");
        litVMEPTotalAll.Text = ds.AllPage_AllTotalM.ToString("N0");
    }
    private ExchangeVoucherHeaderDataSource InitDataSource()
    {
        ExchangeVoucherHeaderDataSource ds = new ExchangeVoucherHeaderDataSource();
        ds.VoucherNo = ProposalNumber;
        ds.ForVerify = OnVerify;
        ds.RepairFromDate = RepairDateFrom;
        ds.RepairToDate = RepairDateTo;
        ds.ConfirmedDateFrom = ConfirmedFrom;
        ds.ConfirmedDateTo = ConfirmedTo;
        ds.ExchageNoFrom = VoucherNumberFrom;
        ds.ExchageNoTo = VoucherNumberTo;
        ds.EngineNum = EngineNumber;
        ds.Status = Status;
        ds.ByDealer = (string.IsNullOrEmpty(DealerCode)) ? UserHelper.DealerCode : DealerCode;
        ds.ByArea = UserHelper.AreaCode;
        ds.ByAreas = AreaHelper.Area;
        ds.CalculateAllPageSummary = ShowAllPageSummary;

        return ds;
    }