NCommon is a library that contains implementations of commonly used design patterns when developing applications. So far NCommon provides the following:

1. ramework for implementing a Unit of Work Pattern
2. ramework for implementing a Repository pattern that utilizes Linq
3. ramework for implementing a Validations and Business Rules
4. mplementation of the Specification pattern using Expressions
5. tility class to help store application specific data in the Thread Local Storage / Current Web Request and AppDomain Level Storage
6. Guard class that mimics common guard statements that verify parameter values and throws exceptions if values are not acceptable.

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Latest update

05/11/09 - NCommon has moved from codeplex and released as 1.0.