jquery - JavaScript runtime error: Unable to get property 'domain_name' of undefined or null reference -

i'm getting popup undefined , showing error below:

unable property 'domain_name' of undefined or null reference.

can body on this

from view:

 @html.actionlink("details", "",       new { id = item.id },      new { onclick = "somefunction(" + item.id + ")",       href = "javascript:void(0)" })  

javascript

function somefunction(id) {     $.ajax({     type: 'post',     url: '@url.content("~/")contracts/test/',     data: { 'id': id },            datatype: 'json',     success: function (data) {         alert(data.domain_name);     },     error: function (xhr, status, exception) {             alert("error: " + exception + ", status: " + status);         } });     } 

controller action

enter code here public jsonresult test(int id)     {         var result = (from cntrct in db.contracts cntrct.id == id                select new { cntrct.domain_name, cntrct.id}).toarray();             return json(result);     } 

below data i"m getting db can't pass javascript back.

error

script7002: xmlhttprequest: network error 0x2ef3, not complete operation due error 00002ef3. contracts

can try in json action method

action

public jsonresult test(int id) {     var result = (from cntrct in db.contracts cntrct.id == id            select new { cntrct.domain_name, cntrct.id, cntrct......}).toarray();         return json(result); } 

script

function somefunction(id) {    $.ajax({         type: 'post',         url: '@url.content("~/")contracts/test/',         data: { 'id': id },         datatype: 'json',         success: function (data) {                 alert(data.domain_name);         }    }); }