using session[] page load

i wish bucket information event unbroken symbol clicked clear news spectator following should bucket information datatable instead retrieving information again database. here goes code...

   reportdocument rpt = new reportdocument();
    datatable resultset = new datatable();
    twine reportpath = null;

   stable vacant page_load(object sender, eventargs e)
    {


        (!page.ispostback)
        {

           (request.querystring.get("id") == "5")
            {
                twine announcement = request.querystring.get("pub");
                datetime date = datetime.parse(request.querystring.get("date"));
                int pages = int.parse(request.querystring.get("pages"));
                int arrange = int.parse(request.querystring.get("sort"));
                (sort == 0)
                {
                    reportpath = server.mappath("issuesreport.rpt");
                    rpt.load(reportpath);
                    datatable resultset1 = retrievalprocedures.issuesreport(date,          publication, pages);
                session["record"] = resultset1;
             }

          datatable news = (datatable)session["record"];
          rpt.setdatasource(report);
          crystalreportviewer1.reportsource = rpt;

i am perplexing formula nonetheless i clicked unbroken symbol gives me blunder unfair news source..i speculation event zero thats since the giving me error.

any sugesstions i solve this...