示例：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>JQuery-Ajax</title> <script src="jquery-1.4.1-vsdoc.js" type="text/javascript"></script> <script type="text/javascript" language="javascript"> $(function() { $("#button1").click(function() { $.ajax({ type: "GET", url: "check.aspx", data: "name=" + $("#text1").val(), success: function(msg) { alert("Data Saved:" + msg); } }); }); }); </script> </head> <body> <form id="form1" runat="server"> <div> <span id="spa"></span> <input id="text1" type="text" name="username" /> <input id="button1" type="button" name="btn" value="button" /> </div> </form> </body> </html>