Implementation case of jquery ajax local update data without refreshing_jquery

Page to be updated

Copy code The code is as follows:

The first & lt;/option & gt; & lt; option value = "2" & gt; ;; Hello

function duoduo() {

$.ajax({ ) type: 'post', //optional get

url: 'ajax.aspx', //here is the program to receive data Data:' Data = '$ ("#lucky1"). Val (), // The data passed to PHP, multiple parameters are & connect dattype:' html ', // The data type returned by the server Optional XML, Json jsonp script html text, etc. success: function(msg) { //Here is the data processing function returned by the program after the ajax submission is successful. msg is the returned data, and the data type is in the dataType parameter. Definition! 🎜> error: function() { alert('Sorry failed');

Operation page

Copy code

The code is as follows:

protected void Page_Load(object sender, EventArgs e)

{ if (Request.Params["data"].ToString().Equals("1" ; else if (Request.Params["data"].ToString().Equals("2")) ">Issue 2 ");