ScreenCast: How to create and use an ASP.NET AJAX Control Extender
November 17th, 2006
In this 13 minute video I walk through creating and deploying an example ASP.NET AJAX Control Extender.
The example extender automatically disables buttons when they are clicked, to stop people clicking them twice (for example on a purchase form). Implementing this isn’t as obvious as you might think, and involves cloning.
I do absolutely everything from scratch including writing the server-side and browser-side code, and creating a web site to test the extender.
The video can be viewed/downloaded here.
Please make sure you have sound playing since I talk through a lot of what I am doing.



November 25th, 2006 at 7:26 am
[...] Via Damianblog.com Tags: .NET, .NET Framework, AJAX, ASP.NET, Development, Screencasts, Technologies [...]
November 28th, 2006 at 1:47 pm
[...] It is available here: http://damianblog.com/2006/11/17/howto-extenders-screencast/ [...]
December 21st, 2006 at 4:50 pm
Hi, the link seems to be broken, could you repost?
December 21st, 2006 at 9:40 pm
Hello Pedro,
I’ve just checked at they work for me … can you try again? Is it possible you are behind a firewall that is blocking access? Perhaps right-click on the link and save the WMV file to disk…
Damian
December 27th, 2006 at 5:06 pm
Nice, thanks!
If you pause the thread in server-side code, why does the browser wait?
-M
January 11th, 2007 at 8:08 am
Just wondering if you could post the source for me please? Been tearing my hair out until I came across your blog.