Form Send Result

Hi.
Im sending data with a form using the send method. I want to know if is there a way to catch the result of the send method. If the send was ok or not.
Thanks

Hi

demo dhtmlx.com/docs/products/dht … _send.html

Ok.
I wanted to know if there is a way to catch an error throwing in an aspx page.
i return an xml with error tags and i catch this xml in the response.
Thanks.