Automate your C# coding standards using StyleCop (Free you can get it from Codeplex) and FxCop which is inbuilt in Visual studio 2008 and 2010.
Automating C# Coding Standards using StyleCop and FxCop
Standardizing an “Art”
Benefits of Automation
Standards Automation Tools
Configuring and Running StyleCop
Running FxCop (Stand-Alone and from Visual Studio)