Entity Framework source codes does not compile successfully with .NET Framework 4

Question

I want reference to EF source codes projects instead its assemblies in my project for some tracing goals, so I downloaded EF source codes from CodePlex, and add it to my project, it compiles well by .NET Framework 4.5, but my project is in .NET Framework 4(I have to stay with .NET4), when I change its target framework to .NET 4 it could not compile successfully, I get some errors, e.g:

Error 29 The type or namespace name 'DatabaseGeneratedOption' could not be found (are you missing a using directive or an assembly reference?) C:\Users\8060509\Downloads\entityframework-899f1fb43a0d92c22ea381edafc50a350e391a5a\src\EntityFramework\ModelConfiguration\Configuration\Properties\Primitive\Api\BinaryPropertyConfiguration.cs 102 13 EntityFramework

and

Error 1 The type or namespace name 'ColumnAttribute' could not be found (are you missing a using directive or an assembly reference?) C:\Users\8060509\Downloads\entityframework-899f1fb43a0d92c22ea381edafc50a350e391a5a\src\EntityFramework\ModelConfiguration\Conventions\Configuration\Property\ColumnAttributeConvention.cs 13 61 EntityFramework

and ...

What is the solution?

What evidence do you have that the version of the source you downloaded supports .net 4? In other words, is there any reason to believe that what you are attempting is actually possible? — David Heffernan
– David Heffernan, Commented Oct 20, 2014 at 8:15
@DavidHeffernan The official NuGet package does support .NET 4.0. — user743382
– user743382, Commented Oct 20, 2014 at 8:17

user743382 · Accepted Answer · 2014-10-20 08:20:05Z

2

Don't change the target framework of the "Debug" or "Release" configurations. Entity Framework is already set up with usable "DebugNet40" and "ReleaseNet40" configurations that you should be using instead. Those configurations, in addition to setting the target framework, also define the required macros that EF uses to know which code to include in the .NET 4.0 version.

answered Oct 20, 2014 at 8:20

user743382

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2 Comments

Masoud Over a year ago

Where and how can I config EF to use DebugNet40 or ReleaseNet40?

David Heffernan Over a year ago

From the configuration drop down if you are building in VS, or by specifying the config on the command line if builing with msbuild

Thaoden · Accepted Answer · 2014-10-20 07:58:13Z

0

I think DatabaseGeneratedOption doesn't exist in EF before 4.5. Change your target framework to 4.5 and it should do well.

answered Oct 20, 2014 at 7:58

Thaoden

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1 Comment

Masoud Over a year ago

As I said in my question, I have to work with .NET4.

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