Personalmente l'esistenza di Ajax.NET mi sta
invogliando a comprare un bet "manualone" e impararmi il javascript in queste
vacanze...
Some developers asked me if it is possible to use WebServices
(WebMethods) in Ajax.NET. Yes, of course, you can add the AjaxMethod attribute
to the method. Ok, you do not want to change the WebService source code? My next
release will include the possibility to add a simple JavaScript line in your
HTML page to access your web services from the client side.
<html>
<head>
<script language="text/javascript" src="demoservice.asmx?AJAX"></script>
</head>
<body>
<script language="text/javascript">
var x = DemoService.ServerAdd(5, 6);
alert(x.value);
</script>
</body>
</html>
That's all! You can use the web service
like every Ajax.NET call you have done before, same syntax.
Fonte: WebServices and Ajax.NET
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