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Editorial Team
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Asked: 2026-06-17T06:13:01+00:00

I have created a EntityFramework ORM. I try to add a new controller using

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I have created a EntityFramework ORM. I try to add a new controller using a wizard;

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and get the following error:

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How can I solve this? I have tried to clean and rebuild, but it didn’t help.

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1 Answer

  1. Editorial Team

    Based on this site;

    You will get this if you are using Entity Framework and have the
    edmx/app.config in a seperate place from your main website. The
    connection information within the app.config file needs to be
    copied/the same as the connection information contained within the
    web.config on the root of your website. Set that up and this error
    will go away.

    Also check Compiler error using EF4 as a separate project than my MVC project

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