An ext JS Ajax demo
<! Doctype HTML public "-// W3C // dtd xhtml 1.0 transitional // en" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <br/> <HTML xmlns = "http://www.w3.org/1999/xhtml"> <br/> <pead runat = "server"> <br/> <title> </title> <br/> <LINK rel = "stylesheet" type = "text/CSS" href = "http://www.extjs.com/deploy/dev/resources/css/ext-all.css" /> <br/> <SCRIPT type = "text/JavaScript" src = "http://www.extjs.com/deploy/ Dev/adapter/EXT/ext-base.js "> </SCRIPT> <br/> <SCRIPT type =" text/JavaScript "src =" http://www.extjs.com/deploy/dev/ext-all.js "> </SCRIPT> <br/> <SCRIPT defer = "Defer"> <! -- <Br/> document. getelementbyid ('btn '). onclick = function () {<br/> Ext. ajax. request ({<br/> URL: 'extjsdemoresult. aspx ', <br/> success: function (response) {<br/> var JSON = eval (' + response. responsetext + '); <br/> Ext. MSG. alert ('success', 'name: '+ JSON. username + ', datetime:' + JSON. datetime); </P> <p> // Ext. MSG. alert ('success', response. responsetext); <br/>}, <br/> failure: function (response) {<br/> Ext. MSG. alert ('failed', response. responsetext); <br/>}, <br/> Params: {Name: document. getelementbyid ('txt '). value} <br/> }); <br/>}</P> <p> // --> </SCRIPT> <br/> </pead> <br/> <body> <br/> <form ID = "form1" runat = "server"> <br/> <input type = 'text' id = 'txt 'value = 'sandy'/> <br/> <input type = 'button 'id = 'btn 'value = 'click me'/> <br/> </form> <br/> </body> <br/> </ptml> <br/>
Extjsdemoresult. aspx. CS
Protected void page_load (Object sender, eventargs e) <br/>{< br/> response. write ("{" + String. format ("success: True, Username: '{0}', datetime: '{1}'", request. form ["name"], datetime. now) + "}"); <br/> response. end (); <br/>}