Asp.net Entity FrameWork No connection string found

Question

I have a two project, one asp.net MVC project and second .net library project with entity framework 6.0 I just added reference of last project to the main MVC project and trying to use class OnlineShopEntities extended DBContext

OnlineShopEntities db = new OnlineShopEntities();
bool exists = db.User.Any(i => i.Username == username);

I have a error when using

No connection string named 'OnlineShopEntities' could be found in the application config file.

How can I add manually connection string in web.config file and how can I write it correctly?

possible duplicate of Setting up connection string in ASP.NET to SQL SERVER — jmoerdyk
– jmoerdyk, Commented Dec 10, 2014 at 20:06

Eric King · Accepted Answer · 2014-12-10 20:22:59Z

1

Look in the app.config file for the project that contains your Entity Framework code. It likely contains the connection string you need to place in your MVC project's web.config.

answered Dec 10, 2014 at 20:22

Eric King

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Andrew Barber Over a year ago

From the description of the problem in the question, this is almost certainly the answer

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