get json data in controller action in asp.net mvc

I have asp.net mvc application. i want to configure the object in jquery and want to pass it to the the action of controller . where as in my script i am using this for configure data for the ajax call:

var arr=new Array();

arr.Push(0)=1;
arr.Push(1)=2;
arr.Push(2)=3;

var  peform = {
                 EmpId: eId,
                 DepatrmentId:deptId,
                 EmpAddress:strAddress,
                 EmpBirthDate:bDate,
                 EmpAccountsId:arr
              };  

I am able to get the values in param here but. when I am trying this:

if(peform!=null)
            { 
                 var json = $.toJSON(peform);

                 $.ajax({
                 url: '/Load/SaveData',
                 type: 'POST',
                 dataType: 'json',
                 data: json,
                 contentType: 'application/json; charset=utf-8',
                 success: function (data) {

            开发者_运维问答    }
        });
   }

it does not calls to action in controller. i think here :

 var json = $.toJSON(peform);

is not working as expect. is it need to add any js file to reference ? or mistake in syntax? Or please suggest me any other remedy.

Try the following instead:

var json = JSON.stringify(peform);