jquery - Ajax table wont filter searches with Datatable pluggin -

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i have ajax call create html data , call .datatable html table. when trying make have multiple filters (each column) search function doesn't seem work , when type in returns nothing. below code

 $.ajax({         type: "get",         url: "wcf/wicsreports.svc/userusagereport?unit=" + unittype + "&startdate=01/09/2014&enddate=01/01/2015&tradingparty=" + tradingpartyval($("#ctl00_contentplaceholder1_csusagelviuser_ddltradingparties")),         contenttype: "application/json", // content type sent server         success: function (result) {             $('.divlviuserreportdata').html(result.userusagereportresult);             $('.loading').hide();              // setup - add text input each footer cell             $('#lvidetails tfoot th').each(function () {                 var title = $('#lvidetails thead th').eq($(this).index()).text();                 $(this).html('<input type="text" placeholder="search ' + title + '" />');             });              // datatable             var table = $('#lvidetails').datatable({                 //"bfilter": false,                 "bpaginate": true,                 "blengthchange": false,                 "paging": 50,                 "pagingtype": "simple",                 "aasorting": [[1, "asc"]],                  initcomplete: function () {                     //$("#lvidetails_filter").hide();                      var r = $('#lvidetails tfoot tr');                     r.find('th').each(function () {                         $(this).css('padding', 8);                     });                     $('#lvidetails thead').append(r);                     $('#search_0').css('text-align', 'center');                 },             });              // apply search             table.columns().every(function () {                 var = this;                  $('input', this.footer()).on('keyup change', function () {                                             .search(this.value)                         .draw();                 });             });          },         error: function (result) {             $('.divlviuserreportdata').html("<div class='error_messages'>error: ajax service call failed: " + result.status + " " + result.statustext + "</div>");             $('.loading').hide();         },         beforesend: function () {             $('.loading').show();         },         aftersend: function () {          }     });

any how fix this??


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