Cannot add web-api controller based on exisiting EF class

Question

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.

Community · Accepted Answer · 2017-05-23 11:43:08Z

1

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

edited May 23, 2017 at 11:43

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answered Jan 12, 2013 at 14:47

Soner Gönül

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2 Comments

Elad Benda Over a year ago

then coping the connection string, and I can leave the EF edmx in my Dal project?

Soner Gönül Over a year ago

Just copy your app.config connectionstring and paste your mvc web.config.

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