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My solution consist of three projects: 1. startup class library .net 2 project which calls external application(arcmap). 2. Entity framework protect .net 4.5 class library. 3. Project which calls entity framework, and doing a query. Also version 4.5.

I can't change the startup project to be .net 4.5.

when I try to query from the third project I get an exception that "no connection string named 'entities' could be find in application config file".

The connectionstring appears in app.config file, and works great when I use it in a single .net 4.5 project with entity framework.

I tried to put the app.config under any of my projects and under the solution but I always get this exception.

Does anyone know how can I resolve this issue?

macro_controller
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  • This sounds like a project migration issue. http://stackoverflow.com/questions/10978017/no-connection-string-named-myapplicationentities-could-be-found-in-the-applica might help. – Ananke Jul 17 '14 at 08:11
  • I didn't find in the question above anything that can help.. – macro_controller Jul 17 '14 at 08:27

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