Dan's lecture promised a lot, I carefully reviewed the slides prior of the event, and decided to go to this lecture, first it promised the most advanced issues and second I so far scratched the surface of Ajax and it is good opportunity to learn more on this. Dan stated the lecture with good pace...
"Could not load type System.Web.UI.WebControls.WebParts.ContentPlaceHolder' from assembly..." This problem was very annoying: for every second (you read it right) run of my website I got this exception. Next time it would go up fine. It was very consistent in a very inconsistent...