javascript - How to handle database null values in jquery datatable -

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i have jquery datatable data coming database,fetched java servlet.few columns have null values.because of getting warning

datatables warning: table id=lplist - requested unknown parameter 'feecompany' row 9. more information error, please see http://datatables.net/tn/4

i want null values replaced empty string.can please guide how achieve this.

my code snippet below

    <script     src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script> <script     src="http://cdn.datatables.net/1.10.4/js/jquery.datatables.min.js"></script>  <script     src="http://cdn.datatables.net/scroller/1.2.2/js/datatables.scroller.min.js"></script> <link     href="http://cdn.datatables.net/scroller/1.2.2/css/datatables.scroller.css"     rel="stylesheet" type="text/css" />  <link href="http://cdn.datatables.net/1.10.4/css/jquery.datatables.css"     rel="stylesheet" type="text/css" /> <title>insert title here</title> <script type="text/javascript">             $(document).ready(function () {                 $("#lplist").datatable({                     "serverside": true,                     "sajaxsource": "/jquerydatatablesall/companygsonobjects",                      dom: "rtis",                     scrolly: 450,                     scrollx:true,                     "processing": true,                                          "aocolumns": [                                   { "mdata": "insuredname" },                                   { "mdata": "custaddress_city" },                                   { "mdata": "custaddress_state" },                                   { "mdata": "custaddress_zip" },                                   { "mdata": "custsurvey_location" },                                   { "mdata": "policyno" },                                   { "mdata": "profitcenter" },                                   { "mdata": "feecompany" },                                 ]                    });             });         </script> </head> <body id="dt_example">     <div id="container">         <div id="links">             server-side processing object source <br />         </div>         <div id="demo_jui">             <table id="lplist" class="display">                 <thead>                     <tr>                         <th>insured name</th>                         <th>city</th>                         <th>state</th>                         <th>zip</th>                         <th>survey location</th>                         <th>policyno</th>                         <th>profit center</th>                         <th>fee company</th>                                              </tr>                 </thead>                 <tbody>                 </tbody>             </table>         </div>      </div>

add defaultcontent in options while initializing data table. more details

columns.defaultcontent


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