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NHibernate 3 Beginner's Guide by Gabriel N. Schenker

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What is new in NHibernate 3.0

NHibernate 3.0 introduces a lot of new features as compared to the previous version. The most important ones are as follows:

  • NHibernate is now based on .NET 3.5. It makes heavy use of the new concepts that were introduced with this version of the framework. Most notably, this is the usage of expression trees and extension methods. A good sample is the new in-code configuration of NHibernate using a fluent API. As a consequence, NHibernate 3.0 only runs on .NET 3.5 or higher.
  • NHibernate now contains in its core a totally rewritten LINQ provider, which supports a large part of the full spectrum of LINQ, and overcomes many of the limitations of the previous LINQ provider. The previous LINQ provider was part of the NHibernate ...

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