Entityframe Work:no Entity Framework provider found for the ADO provider with invariant name ' System.Data.SqlClient '

Today, trying to learn the problem with entity Frame work is

The Entity Framework provider type ' System.Data.Entity.SqlServer.SqlProviderServices, Entityframework.sqlserver '

Registered in the application config file for the ADO provider with invariant name ' System.Data.SqlClient ' could not B E loaded.

Make sure, the assembly-qualified name is used and that the assembly are available to the running application.

The configuration file is as follows:

Workaround:

1. Right-click the solution, select Manage NuGet Packages for solution ...

2. Select the project to reinstall EntityFramework

Reference URL: http://stackoverflow.com/questions/21641435/ Error-no-entity-framework-provider-found-for-the-ado-net-provider-with-invarian

If you still have questions:

Entity Framework The underlying provider failed on Open

Can try: Http://stackoverflow.com/questions/18271301/entity-framework-the-underlying-provider-failed-on-open

There is a problem detecting the database connection string!

Entityframe Work:no Entity Framework provider found for the ADO provider with invariant name ' System.Data.SqlClient '