The Patterns & Practices Group recently released an Hands-On-Lab for the Validation Application Block. It is quite extensive, the lab manual being 79 pages long!
Read all about it on Grigori Melnik's blog:http://blogs.msdn.com/agile/archive/2009/01/04/just-released-validation-application-block-hands-on-lab.aspx
Download it here:http://www.microsoft.com/downloads/details.aspx?FamilyID=2C34A9CB-17CF-4AEC-8DE6-EEACBBB74413&displaylang=en
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