This article introduces Entity Framework to absolute beginners. The article is meant for developers who are primarily using ADO.NET to write their data access layers. Many experienced developers will find this article very basic but since the article is written from the perspective of beginners, I've tried to keep things simple.
Background
ADO.NET is a very strong framework for data access. ADO.NET has been around since many years and there are a lot of systems running over ADO.NET. Developers who are totally oblivious to the concept of ORMs will probably be asking "What is Entity Framework? What are the benefits of using it and is it an alternative to ADO.NET?"
Well, to answer the first question about what is Entity Framework, Entity Framework is an Object Relational Mapper (ORM). It basically generates business objects and entities according to the database tables and provides the mechanism for:
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