I've seen this problem a few times now, from a few different developers... including myself. I figure it must have plagued someone else out there too, so hopefully if you read this, if you ever encounter this problem, it wont cost you hours. It's a hell of a problem to track down because when you run...

Simone has finished the survey and published the results of the survey about the usage of AJAX among .NET web developers . The results are very interesting. The most used AJAX toolkit is ASP.NET AJAX with about 73.7% followed by the AJAX Control Toolkit which is used by almost half of the .NET developers...

Using Ajax.NET Professional (AjaxPro) you are able to put you AJAX methods wherever you want, if inside the Page class itself, any .NET class in the same project or as a reference class library. To generate the AJAX client-side JavaScript proxies the AjaxPro library checks for all public methods inside...

For some reason, there is no standard API to get the pixel coordinates of a DOM element relative to the upper-left corner of the document. APIs only exist to get coordinates relative to the offset parent. Problem is, it's very important to get those coordinates for applications such as drag and drop...

I've been seeing more and more authors lately dismissing partial rendering (a.k.a. UpdatePanel) as a poor man's version of Ajax, something you should only choose if you're too lazy to implement "true" Ajax. I think that view not only has a slightly pedantic ring (isn't laziness one of the most...

When we built the history management feature in ASP.NET Futures, we spent considerable time experimenting with the different behaviors of the main browsers out there. The problem with such a feature is that it has to rely on a number of hacks because browser vendors basically never anticipated this need...

I wrote a short column in Dino Esposito 's latest MSDN Magazine article to introduce two new features that we will ship with the next version of ASP.NET Ajax . The features will enable you to declaratively instantiate client-side components and to build data-driven HTML from simple templates. http:/...