Let’s say you are developing an MVC application and you want to add a generated controller with the associated views.

You do this:

1. Setting the controller’s name
2. Choosing the template: mvc controller with read/write actions and views, using Entity Framework
3. Choosing the model class
4. Choosing the data context
5. Clicking “Add”

It’s possible that you get this error:

The solution is quite simple:

Just go in the web.config file and comment the connection string

Then try again

It works!

Don’t forget to uncomment your connection string and you are done.

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