Automatically create business objects from sql database?

I was thinking of writing an application that would generate the co开发者_开发技巧de for business objects directly from a sql database. It seems like something that would already have been done but maybe I just don't know what to Google for.

Does anyone know if something like this exists?

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You are correct, there are many tools that do this. Most fall into the realm of an ORM.

http://en.wikipedia.org/wiki/List_of_object-relational_mapping_software#.NET

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Why don't you use Entity Framework? They have done an excellent job with object-database mapping