The type initializer for 'System.Data.Entity.Internal.AppConfig' threw an exception

Question

I\'m working with EF5 in a MVC 4 aspnet website. Locally, everything works just fine, but when I publish it to the IIS and try to enter, I get the error

Answer 1

I needed to change by defaultConnectionFactory to be SqlConnectionFactory instead of the default

http://blogs.msdn.com/b/davidobando/archive/2012/08/14/changing-ef-s-default-provider-from-localdb-to-sql-server.aspx