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    ADO.NET Entity Framework 4.1

    ADO.NET Entity Framework provides a strongly-typed LINQ data access experience over relational databases, including direct, efficient access to SQL Server.
    • Note:There are multiple files available for this download.Once you click on the "Download" button, you will be prompted to select the files you need.


      File Name:


      EF4.1 Release Notes.rtf


      Date Published:


      File Size:

      1.6 MB

      90 KB

      171 KB

        Entity Framework 4.1 - Update 1 is now available, please install Update 1 instead of this release.

        ADO.NET Entity Framework 4.1 introduces two new features:
        • The DbContext API is a simplified abstraction over ObjectContext and a number of other types that were included in previous releases of the ADO.NET Entity Framework. The DbContext API surface is optimized for common tasks and coding patterns.
        • Code First is a new development pattern for the ADO.NET Entity Framework and provides an alternative to the existing Database First and Model First patterns. Code First is focused around defining your model using C#/Visual Basic .NET classes, these classes can then be mapped to an existing database or be used to generate a database schema. Additional configuration can be supplied using Data Annotations or via a fluent API.
    • Supported Operating System

      Windows 7, Windows Server 2003, Windows Server 2008, Windows Server 2008 R2, Windows Vista, Windows XP

        Supported Architectures: x86; x64

        ADO.NET Entity Framework 4.1 requires .NET Framework 4.0 RTM to be installed.
      • Microsoft ADO.NET Entity Framework 4.1 is subject to license terms that must be agreed to prior to use.

        Download and run EntityFramework41.exe