<script src="@Url.Content("~/Scripts/jquery-1.7.1.min.js")" type="text/javascript"></script>
    <script src="../../Scripts/jquery.unobtrusive-ajax.min.js" type="text/javascript"></script>
    @Ajax.ActionLink("Save", "Index", "Home", new AjaxOptions { UpdateTargetId = "saveResult" }, new { id = "1001" })
    <div id="saveResult">
</div>

public ActionResult Index(string id)
        {
            return View();
        }