c# - Issue with getJson in asp.net mvc4 -

i have asp.net mvc 4 project in client side need send part data via ajax , display returned result. have in response []. i'm debugging , i'm sure have not null list<> collection. know mistake?

<script>     $(document).ready(function() {         $(function() {             $('#navigation a').click(function () {                 $.getjson('/home/getjoblist', function (data) {                     $("#headerjobrow").text("");                     $.each(data, function (i, job) {                         $("#headerjobrow").append("<li>" + job.title + "</li>");                     });                 });             });         });     }); </script>          [httpget]         public jsonresult getjoblist()         {             int roll = 0;             if (request.cookies["cityid"] != null) {                 roll = convert.toint32(request.cookies["cityid"].value);             }             iqueryable<jobsdb_jobpostings> jobs = roll > 1 ? _jobpostrepo.getall().where(x => x.cityid == roll).orderbydescending(x => x.postingid) : _jobpostrepo.getall().orderbydescending(x => x.postingid);              return json(jobs.tolist(), jsonrequestbehavior.allowget);         } 

why u nesting ready handler

$( document ).ready(function() {   // handler .ready() called. }); 

is equivalent to

$(function() {   // handler .ready() called. });