JQuery Ajax and Getjson get background normal JSON data and hierarchical JSON data usage analysis _jquery

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The specific code is as follows:

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd ">  

<%@ WebHandler language= "C #" class= "Jsondata"%> using System;
Using System.Web;
Using System.Web.Script.Serialization;
Using System.IO;
Using System.Text;
Using System.Collections;
Using System.Collections.Generic;
Using System.Data;
Using Newtonsoft.json; public class Jsondata:ihttphandler {public void ProcessRequest (HttpContext context) {context.
    Response.ContentType = "Text/plain"; Context.
    Response.Cache.SetNoStore (); String type = context.
    request["type"]; if (type== "1")//Normal data {list<dictionary<string, string>> AA = new list<dictionary<string, Stri
      Ng>> (); for (int i = 0; i < 6; i++) {dictionary<string, string> AAA = new dictionary<string, string>
        (); Aaa.
        ADD ("id", "no" + i); Aaa.
        ADD ("name", "John" + i); Aaa.
        ADD ("Age", "21"); Aaa.
        ADD ("Score", "1001"); Aa.
      ADD (AAA);
  String json = Jsonconvert.serializeobject (AA, formatting.indented);    Context.
    Response.Write (JSON);
      } if (type = = "3")//Level data {list<student> List = new list<student> ();
        for (int i = 0; i < 6; i++) {Student a = new Student ();
        a.ID = "no" + i;
        A.name = "John" + I;
        A.age = "21";
        dictionary<string, string> dic = new dictionary<string, string> (); Dic.
        ADD ("Language", "80"); Dic.
        ADD ("Mathematics", "81"); Dic.
        ADD ("English", "83"); Dic.
        Add ("Creature", "89"); Dic.
        ADD ("Chemistry", "90"); Dic.
        ADD ("Physics", "95");
        A.score = dic; List.
      Add (a);
      String json = Jsonconvert.serializeobject (list, formatting.indented); Context.
    Response.Write (JSON);
    struct Student {public string id;
    public string name;
    public string age;
  Public dictionary<string,string> score;
    public bool IsReusable {get {return false;

 }
  }
}

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