Another common mistake is to ‘forget’ to pass AsyncCallback delegate to the begin method. It is relatively easy to 'forget' because there are overloads of some 'begin' methods that don’t take AsyncCallback parameter. In the following example a wrong overload...

One common mistake has to do with the implementation of CompletedSynchronously property of IAsyncResult. People writing their own classes implementing IAsyncResult need to be careful returning the correct value and neither ‘always true’ nor ‘always false...

I wrote a simple photo album. Admittedly, it doesn’t have half the features many other web photo albums have, but it has one great advantage over them - all it takes is one file, album.ashx. Just drop it into a directory with photos (jpg files) and point...

Earlier this year I did a webcast on async pages in ASP.NET 2.0. Please see the attachment containing the slides and the samples.

[latest here ] Here is my updated (1/11/2007) bio: Dmitry Robsman, Group Manager for Dynamic Languages Platform team in CLR, is a 10 year Microsoft veteran. He started his Microsoft career as a developer focused on classic ASP technology in the...