jQuery datatables refresh data not working -


i can use server side fill datatables , other working cant refresh data after clicking on reload_table element.clear datatable work correctly draw not working.

jquery:

$('#reload_table').live('click',function(){    otable_topics.fnreloadajax(otable_topics.fnsettings());    otable_topics.fncleartable();    otable_topics.fndraw();     $.ajax({        url: "server_processing.php",        success: function() {            // if worked, ask datatable redraw table new data            $("#showtopics").datatable().fndraw();            // if js function useful (like deleting row), call it:            success();        },        error: function() {            // display error (like server couldn't reached...), or @ least try log        }     }); }); otable_topics =$('#showtopics').datatable({         "blengthchange": false,         "idisplaylength": 12,                                        "bscrollcollapse": true,                "bjqueryui": true,         "bautowidth": false,         "sajaxsource": "server_processing.php",         "spaginationtype": "full_numbers",         "bprocessing": true,          "fndrawcallback": function(osettings) {             clickrowhandler_topics();             if ( osettings.aidisplay.length == 0 )             {                 return;             }                                    var ntrs = $('tbody tr', osettings.ntable);             var icolspan = ntrs[0].getelementsbytagname('td').length;             var slastgroup = "";             ( var i=0 ; i<ntrs.length ; i++ )             {                 var idisplayindex = osettings._idisplaystart + i;                 var sgroup = osettings.aodata[ osettings.aidisplay[idisplayindex] ]._adata[0];                 if ( sgroup != slastgroup )                 {                     var ngroup = document.createelement( 'tr' );                     var ncell = document.createelement( 'td' );                     ncell.colspan = icolspan;                     ncell.classname = "group";                     ncell.innerhtml = sgroup;                     ngroup.appendchild( ncell );                     ntrs[i].parentnode.insertbefore( ngroup, ntrs[i] );                     slastgroup = sgroup;                 }             }         },         "aocolumndefs": [             { "bvisible": false, "atargets": [ 0 ] }         ],         "aasortingfixed": [[ 0, 'asc' ]],         "aasorting": [[ 1, 'asc' ]],         "fnserverparams": function ( aodata ) {           aodata.push(              {"name": "id"   ,      "value": "i.id" },                        {"name": "subject"   , "value": "i.subject" },              {"name": "date_time",  "value": "i.date_time"} ,              {"name": "posted_by",  "value": "u.username"} ,              {"name": "ctitle"   ,  "value": "c.title"} ,              {"name": "etitle"   ,  "value": "e.title"},              {"name": "istatus"   ,  "value": "i.status"},              {"name": "join"     ,  "value": "join categories c on i.category = c.id join status_topics e on i.status = e.id join users u on i.posted_by = c.id"},              {"name": "action"   ,  "value": "topics" }           )}         });

i have been using fnreloadajax load new data , fnlengthchange change page length while @ it.

otable.fncleartable(0); otable.fnreloadajax('/' + mylocation + '/' + mycustomerid); otable.fnlengthchange(pagelength);

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