LINQ, Entity Framework and ADO.NET Entity Framework and Data Services for the Web

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The new wave of Web applications are built on technologies such as AJAX and Microsoft Silverlight, which enable developers to build better, richer user experiences. These technologies bring a shift in how applications are organized, including a stronger separation of presentation from data. Technologies such as Language Integrated Query (LINQ) and ADO.NET Entity Framework and Data Services simplify the job of developers. The ADO.NET Entity Framework raises the level of abstraction for data programming. It is the evolution of ADO.NET that allows developers to program in terms of the standard ADO.NET abstraction or in terms of persistent objects (ORM) and is built upon the standard ADO.NET Provider model. The Entity Framework introduces a set of services around the Entity Data Model (EDM) (a medium for defining domain models for an application).

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