c# - What is wrong with this JQuery AJAX code -

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i facing problem ajax code. using mvc3 our project. requirement bind dropdown value using ajax when page load. happens when loading page, ajax request send controller , return ajax function , binds exact values in dropdown. (when page refreshed or first time load) not binding retrieved value. rather showing default value. pls see code , suggest me doing wrong.

edit: tried use async property false. not @ send controller action method getting data.

code

$.ajax({             type: "post",             contenttype: "application/json; charset=utf-8",             url: '@url.action("getuser", "invoices")',             data: "{'id':" + json.stringify(currval) + "}",             datatype: "json",             async: true,             success: function (data) {                 $("#user-" + curr).select2("data", { id: data.value, name: data.text });                 $(this).val(data.value);             }         });

thanks,

let's action method below

public jsonresult hello(int id) {     return json(new { success = true }, jsonrequestbehavior.allowget); }

and jquery should below

<script language="javascript" type="text/javascript">     $(document).ready(function () {         var currval = 2;         $.ajax({             url: 'url',             async: true,             type: 'post',             contenttype: 'application/json; charset=utf-8',             data: json.stringify({ id: currval }),             success: function (data) {             }         });     }); </script>

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