public void ProcessRequest(HttpContext context)
        {
            DBConn oConn = new DBConn();

            if (oConn.Open())
            {
                Web oWeb = new Web();

                //cProductosContrato oProductosContrato = new cProductosContrato(ref oConn);
                //oProductosContrato.NumContrato = oWeb.GetData("pCodContrato");
                //DataTable dtProdCont = oProductosContrato.GetByExcel();

                cRoyaltyContrato oRoyaltyContrato = new cRoyaltyContrato(ref oConn);
                oRoyaltyContrato.NumContrato = oWeb.GetData("pCodContrato");
                DataTable dtProdCont = oRoyaltyContrato.GetByExcel();
                oConn.Close();

                System.Web.HttpResponse oResponse = System.Web.HttpContext.Current.Response;

                oResponse.Clear();
                oResponse.AddHeader("content-disposition", "attachment;filename=FileName.csv");
                oResponse.Charset = "";
                oResponse.Cache.SetCacheability(HttpCacheability.NoCache);
                oResponse.ContentType = "application/vnd.ms-excel";

                oResponse.Output.Write(ToCSV(dtProdCont));
                oResponse.Flush();
                oResponse.End();
            }
        }
        protected void rdRoyaltyBDI_NeedDataSource(object source, Telerik.Web.UI.GridNeedDataSourceEventArgs e)
        {
            DBConn oConn = new DBConn();

            if (oConn.Open())
            {
                cRoyaltyContrato RoyaltyContrato = new cRoyaltyContrato(ref oConn);
                RoyaltyContrato.NumContrato = num_contrato.Value;
                rdRoyaltyBDI.DataSource     = RoyaltyContrato.GetByExcel();
            }
            oConn.Close();
        }