Ajax Actionlink using in ASP.net MVC C# Coding

Controller 

you must remember namespace in your controller

using Newtonsoft.Json;

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.Mvc;

using System.Web.Mvc.Ajax;

public JsonResult Country()

        {

            var json = Mydata();

            return Json(json,JsonRequestBehavior.AllowGet);

        }

        private List<string> Mydata()

        {

            return new List<string>()

            {

            

                "state -- India",

                "state -- Usa",

                "state -- sri lanka",

                "state -- pakistan",

                "state -- Nepal"

            };

        }

View 

@{

    ViewBag.Title = "list";

}

<script src="~/Scripts/jquery.unobtrusive-ajax.js"></script>

<script src="~/Scripts/jquery-1.10.2.js"></script>

<h2>Country j</h2>

@Ajax.ActionLink("countrys", "Country", new AjaxOptions()

{

    HttpMethod = "GET",

    InsertionMode = InsertionMode.Replace,

    UpdateTargetId = "Divids",

    LoadingElementId = "load"

});

<div id="load" style="display:none">

    <img src="~/Images/abc.gif" hight="100" width="200" />

</div>

<div id="Divids">

</div>