If you are looking for an O/R Mapper for you .NET Winform, WPF, and ASP.NET Web Applications, you need to look at NHibernate.
NHibernate offers transparent persistence, which is pretty uncommon when compared to most, if not all, O/R Mappers for .NET. With NHibernate, you do not need to-
- decorate your entities with any attributes
- inherit your business objects from any base classes
- implement an interface on your entities
in order to persist them to a database. The NHibernate O/R Mapper handles persistence, state tracking, and a unit of work for your .NET applications transparently. NHiberante uses XML Mapping Files to map your classes to the database so it understands how your entities map to database tables for CRUD ( Create, Read, Update, and Delete ) functionality.
NHibernate 2.0 was just released. Download NHibernate 2.0 here.
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