Jquery Json

<%@ Page Language="C#" %>

<%@ Import Namespace="System.Web.Services" %>



 runat="server">

    [WebMethod]

    public static string GetRegions(int areaId)

    {

        return "Foo " + areaId;

    }







 xmlns="http://www.w3.org/1999/xhtml">

 runat="server">

    

     type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js">





     type="text/javascript">

    $(function() {

        var areaId = 42;

        $.ajax({

            type: "POST",

            url: "Default.aspx/GetRegions",

            data: "{areaId:" + areaId + "}",

            contentType: "application/json; charset=utf-8",

            dataType: "json",

            success: function(data) {

               alert(data.d);

           }

        });

    });