c# - Data not displayed in jQuery multiselect plugin -

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i'm trying populate drop-down using jquery multiselect plugin. when use simple drop-downs have hard coded value, works properly. however, when fetch records database populate drop-down, records not displayed in drop-down in ie (it works fine in chrome).

javascript

<script> function fill(u, f, d, c) {     $.ajax({ type: "post",         url: u + '/' + f,         data: d,         contenttype: "application/json; charset=utf-8",         datatype: "json",         async: false,         cache: false,         success: function (r) {             var i;             //$('#' + c + '').length = 0;             var myitem = r.d.split('#');             $('#' + c + '').empty();             (i = 0; < myitem.length; = + 2) {                 $('#' + c).append(new option('' + myitem[i + 1] + '','' + myitem[i] + ''));             }         }     }); }  $(document).ready(function () {                 fill('webform1.aspx', 'filldepartmentdropdown', '{}', 'ddldepartment');                 $("#ddldepartment").multiselect({                     header: "choose department!"                 });             }); </script>

cs

[webmethod]         public static string filldepartmentdropdown()         {             string dataoutput = "";             dataset ds;             hashtable objparameters = new hashtable();             businesslogiclayer objbusiness = new businesslogiclayer();             ds = objbusiness.spdataset(objparameters, "selectalldept");             (int = 0; < ds.tables[0].rows.count; i++)             {                 datarow dr = ds.tables[0].rows[i];                 dataoutput = dataoutput + "#" + dr["department"].tostring() + "#" + dr["id"].tostring();             }             return dataoutput;         }

html 

<select id="ddldepartment" ><option>32</option> <option>3213</option><option>321</option></select>

the issue because new option works bad on ie, try change how append to: '<option value="' + myitem[i + 1] + '">' + myitem[i + 1] + '</option>'


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