用Jquery访问Handler.ashx并返回Json

Default.html前台页面代码
http://www.w3.org/1999/xhtml" >

   
   


    $(document).ready(function (){
        $("#btnOK").click(function (){
            $.getJSON(
                "Handler.ashx",
                {},
                function(json){
                    $("#list").append("

id:"+json.EmployeeId+"|Name:"+json.EmployeeName+"|年龄:"+json.EmployeeInfo[0]+"|身高:"+json.EmployeeInfo[1]+"|体重:"+json.EmployeeInfo[2]+"

");
                }
            )
        })
    })


   
   

       
   

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Handler.ashx服务器端处理请求的代码
<%@ WebHandler Language="C#" Class="Handler" %>

using System;
using System.Web;
using System.Web.UI.HtmlControls;
using System.Runtime.Serialization;
using Newtonsoft.Json;

public class Handler : IHttpHandler {
   
    public void ProcessRequest (HttpContext context) {
        context.Response.ContentType = "text/plain";
        context.Response.Write(ReturnResult()); 
    }

    public string ReturnResult() {
        Employee employee = new Employee();
        employee.EmployeeId = 1;
        employee.EmployeeName = "yang";
        employee.EmployeeInfo = "25,170cm,55kg".Split(',');
        string jsonstr = JavaScriptConvert.SerializeObject(employee);
        return jsonstr;
    }
    public bool IsReusable {
        get {
            return false;
        }
    }

    class Employee
    {
        public int EmployeeId;
        public string EmployeeName;
        private string[] employeeInfo;
        public string[] EmployeeInfo
        {
            get { return employeeInfo; }
            set { employeeInfo = value; }
        }
    }
}