Last night I went to a excellent SADeveloper.net event about AOP with PostSharp and it had me thinking… Granted, validation is probably not the text book example of cross cutting concerns but it does proof how PostSharp / AOP can be used… What is AOP ? Aspect-oriented programming (AOP) is a programming paradigm that increases modularity by allowing the separation of cross-cutting concerns. Lets assume that I want to validate the age of my employees, I could do the following in my business entity...