Nice series on Separation of Concerns by bogardj

Jimmy Bogard has written a great series of blog posts showing how to refactor some Data Access code to make it more readable, testable and maintainable. The offending (offensive?) code was found in ASP.NET Pro magazine and had static references that precluded doing any unit testing. Jimmy shows how to separate out those dependencies.

• Separation of Concerns - how not to do it
• Separation of Concerns by example: Part 1 
• Separation of Concerns by example: Part 2
• Separation of Concerns by example: Part 3