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Home/ Questions/Q 3872510
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Editorial Team
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Editorial Team
Asked: May 19, 20262026-05-19T21:56:01+00:00 2026-05-19T21:56:01+00:00

I am trying to use ADO.Net Codefirst feature of latest Entity Framework 4.0. As

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I am trying to use ADO.Net Codefirst feature of latest Entity Framework 4.0. As part of that I have installed Entity Framework CTP 4 from Microsft and using Scott’s tutorial to create the model first. Inside the tutorial DBContext and DBSet<> is specified. Could some tell what is the reference to be used in order to access this class.

I have used the following references however nothing happens for DBContext and DBSet<>

  • System.Data.Entity
  • System.Data.Entity.Design
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  1. Editorial Team
    Editorial Team
    2026-05-19T21:56:01+00:00Added an answer on May 19, 2026 at 9:56 pm

    Use CTP5 instead it is newer version with some changes in API. You have to add reference to EntityFramework.dll which is installed in CTP directory – default is: c:\Program Files\Microsoft ADO.NET Entity Framework Feature CTP5\Binaries\EntityFramework.dll for 32bit system. On 64bit system it will be placed in Program Files (x86).

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