private void BindTransportName()
    {
        string            szCmpId         = ((Bill_Sys_BillingCompanyObject)Session["BILLING_COMPANY_OBJECT"]).SZ_COMPANY_ID.ToString();
        Bill_Sys_ReportBO objReport       = new Bill_Sys_ReportBO();
        DataSet           dsTransportName = new DataSet();

        dsTransportName                 = objReport.GetTransportName(szCmpId);
        ddlTransportName.DataSource     = dsTransportName.Tables[0];
        ddlTransportName.DataTextField  = "SZ_TARNSPOTATION_COMPANY_NAME";
        ddlTransportName.DataValueField = "I_TARNSPOTATION_ID";
        ddlTransportName.DataBind();
        ddlTransportName.Items.Insert(0, "--Selecte--");
    }