I know Visual Studio 2010 Ultimate has some abilities, and I would normally do this by instinct, but I am on a very tight schedule. I also have Visio 2010 installed and integra
This tip is from : http://www.devx.com/tips/Tip/30046 I am just pasting here. You should give credit to the original author if he is on StacOverflow
Open a window in VS.NET. Go to Project—>Visio UML—>Reverse Engineer. This automatically shows you the class diagrams with perfect relationships. Note: This tip will work with VS.NET Version 1.0.0 and higher.