DataAnnotations

A few URL's for dataannotations. I'll try to put some examples in soon.

http://dataannotationsextensions.org/

http://msdn.microsoft.com/en-us/library/system.componentmodel.dataannotations.aspx

http://weblogs.asp.net/srkirkland/archive/2011/02/23/introducing-data-annotations-extensions.aspx