jquery gets json data implementation code_jquery

Copy code The code is as follows:

//Column
//Send ajax request
$ .getJSON(
"../../../Templet/GetInfoHandler.ashx", //Server page that generates JSON data
{id: "0", sid: "1;2;3 ", rid: Math.round(Math.random() * 10) }, //Query string sent to the server
//Process the returned JSON data
function(json) {
//Loop through the data in json and present it in the list
$("#column_0_1").empty();
var colstr = '

More>>Popular Recruitment

';
$.each(json, function(i ) {
//alert(json[i].news_id);
colstr = colstr '
• ' json[i].news_title '< /li>';
  })
  colstr = colstr '

';
$("#column_0_1").html(colstr);
alert("Loading successful") ;
// })

C# program to generate json data using Litjson:

Copy code The code is as follows:

//Column
//Send ajax request
$.getJSON(
"../../../Templet/GetInfoHandler.ashx ", //Server page that generates JSON data
{id: "0", sid: "1;2;3", rid: Math.round(Math.random() * 10) }, //To Query string sent by the server
//Process the returned JSON data
function(json) {
//Loop through the data in json and present it in the list
$("# column_0_1").empty();
var colstr = '

More>>< ;/span>Popular Recruitment

';
$.each(json, function(i) {
//alert(json[i].news_id);
colstr = colstr '
• ' json[i].news_title '
';
})
colstr = colstr '$("#column_0_1").html(colstr);
alert("Loading successful");
// })

jquery obtained through json Data

Copy code The code is as follows:

html code:

Copy code The code is as follows:

==Please select==

Ajax:
Create a new .aspx page, delete the html code in the .aspx page, and add the following code in .aspx.cs

Copy code The code is as follows:

string rq_basecode=null;
rq_basecode = Request.QueryString["code"];
if (string.IsNullOrWhiteSpace(rq_basecode))
{
Response.Write("Error");
Response.End();
}
BLLCataLog bll_info = new BLLCataLog();
List lt_info = new List();
lt_info = bll_info.GetCatalog(rq_basecode,"");
//Response.Write(rq_basecode);
if (lt_info.Count > 0)
{
Response.Write(JsonHelper.ToJson(lt_info));
}
else
{
Response.Write("Null");
}

BLL层的数据：

复制代码 代码如下:

public List GetCatalog(string code, string refcode)
{
DALCataLog dalcatalog6 = new M2SharpDAL.DALCataLog();
return dalcatalog6.GetCatalog(code, refcode);
}