datatable binding issue from ajax source

nallagnda

Iam using ajax data source to bind data table below is my code if the code is executed Iam getting fallowing error
"Uncaught TypeError: Cannot read property 'length' of undefined" can any body help me to solve this issue

function fnLoadTable()
        {
            var oTable = jQuery("#tblSurveysBreakDown").dataTable({
                "aLengthMenu":[10, 20, 30, 40, 50, 60, 70, 80, 90, 100],
                "aoColumns": [{ "bSortable": false, "mDataProp": "ClientSurveyId" },
                { "bSortable": false, "mDataProp": "Title" },],
                "iDisplayLength": 10,
                "bPaginate": true,
                "sPaginationType": "bootstrap",
                "bProcessing": true,
                "bServerSide": true,
                "bDestroy": true,
                "bFilter": false,
                "sAjaxSource": 'DataProvider',
                "sAjaxDataProp":"",
                "oLanguage": { "sLengthMenu": "MENU records per page" },
                //"oPaginate": { "sPrevious": "Prev", "sNext": "Next" } },
                //"sDom": 'T<"clear"><"clear"><"col-md-4 padding-top-15" l>r<"col-md-4 padding-top-15 padding-bottom-5 pull-right nopaddRight"C>t<"col-md-6" i><"col-md-6" p>',
                "sAjaxSource": "@Url.Action("AjaxNewSurveysList", "Reports")",
                "fnServerParams": function (aoData)
                {
                 aoData.push($('#stage2').serialize());
                },
                "fnServerData": function (sSource, aoData, fnCallback)
                {
                 $.ajax({ "dataType": 'json', "contentType": "application/json; charset=utf-8",
                     //type: 'POST',
                     "url": sSource,
                     "data": aoData,
                     "success": function (msg) {
                         if (msg.aaData != "")
                         {
                             //oTable.fnAddData(msg.aaData);
                             $("#DivReport").css("display", "block");
                             var json = jQuery.parseJSON(JSON.stringify(msg.aaData));
                             fnCallback(json); $("#tblSurveysBreakDown").show();
                             //var tr = [];
                             //for (var i = 0; i < json.length; i++) {
                             //    tr.push('<tr>');
                             //    tr.push("<td>" + json[i][0] + "</td>");
                             //    tr.push('</tr>');
                             //}
                             //$('#tblSurveysBreakDown').append($(tr.join('')));
                         } else {
                             //ExternalSessionExpiry();
                         }
                     }
                 });
                },
                
            });
            jQuery('#tblSurveysBreakDown .dataTables_length select').addClass("m-wrap small");
        // modify table per page dropdown
        }

allan

Can you link to a test case, as per the forum rules please.

Allan