About the error: System.Data.SqlServerCe.4.0 provider not found

Oct 15, 2013 at 8:43 AM
When I did P.47 , after adding the connection string, i got the following error

"No Entity Framework provider found for the ADO.NET provider with invariant name 'System.Data.SqlServerCe.4.0"

and i try to resolve it. the following page show the solution.

-under VS2012