I wish to a rich user interface for my website. Well, HTML 5 is the best choice. But HTML 5 is still not easy to do some tasks, such as animations and charting. Then, Flash is the second best choice. A lot of platforms support this. But I need to learn… more »

I have installed Silverlight 4 Toolkit - April 2010. I tried to drop a component in a xaml. But I got an error, "Unknown namespace http://schemas.microsoft.com/winfx/2006/xaml/presentation/toolkit". I searched a solution for a while, but no luck at all!… more »