Implement simple ajax_jquery using jquery

-->html page

Copy code The code is as follows:

< ;html xmlns="http://www.w3.org/1999/xhtml">


< script src="../js/jquery-1.7.2.js" type="text/javascript">
         


JAX instance for user name verification
< ;!--There is no need to use a form for data submission in ajax mode, so there is no need to write a form-->

< ;input type="button" value="Submit" onclick=""/>

—>js page

Copy code The code is as follows:

function verify () {
$ ("#username"). Keyup (function () {
var user = $ (this) .Val ();
var userObj = $ (this);
 "#result").text(data);
}



—>aspx page

Copy the code

The code is as follows: <% Response.Clear(); string str_name = Request["userobj"];

if (str_name == "xtyang")

{

Response.Write("ok");
}
else
{
Response.Write("no ");
}
Response.End();
%>