json+ajax

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handler2.ashx

<%@ WebHandler Language="C#" Class="Handler2" %>

using System;
using System.Web;
using System.Collections.Generic;
using System.Runtime.Serialization.Json;
public class Handler2 : IHttpHandler {

    public void ProcessRequest (HttpContext context) {
        IList<Person> persons = new List<Person>();
        Person person = new Person();
        person.Name = "sssss";
        person.Gender = "男";
        persons.Add(person);
        var json = new DataContractJsonSerializer(persons.GetType());
        json.WriteObject(context.Response.OutputStream, persons);
    }

    public bool IsReusable {
        get {
            return false;
        }
    }

}

Default.aspx中ajax

        $.ajax({
            url: "Handler2.ashx",
            cache: false,
            type: "get",
            datatype: "text",
            success: function (data, textStatus) {

                alert(data);
                var persons = JSON.parse(data);
                alert(persons[0].Name);
                alert(JSON.stringify(persons));
            }
        });