EntityFramework 5 use dll version 4.4.0.instead 5.0

entity-framework-5 asp.net-4.5
Rroman picture Rroman · Sep 11, 2012 · Viewed 21.1k times · Source

I have project based on .NET 4.0 but I need to use EntityFramework 5 in my solution. So I install it from the NuGet.

After that I change target framework to .NET 4.5 (I'm using VS 2012) and rebuild project.

But in reference folder I see that project use EntityFramework.dll version 4.4.0.0.

Ho can I use newer version of EntityFramework?

in web.config

<compilation debug="true" targetFramework="4.5">
    <assemblies>
       <add assembly="System.Data.Entity, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
    </assemblies>
</compilation>

Answer

Ladislav Mrnka picture Ladislav Mrnka · Sep 11, 2012

Newer version (the real EF5) is dependent on .NET 4.5. If you have added EF5 when your project was based on .NET 4.0 you will have only EF 4.4 (EF5 version without features dependent on .NET 4.5). After upgrading to EF 5.0 you need to update EntityFramework package. You can try to use Update-Package command. If it doesn't help you will need to uninstall package first and than add it again.

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