mvc music store ProviderManifestToken string problem

Jan 27, 2012 at 9:46 AM

when i run the project i got an error  "Unable to find the requested .Net Framework Data Provider.  It may not be installed."

as forum peoples sujject just comment connection string and check after doing that it shows an error  provider did not return a ProviderManifestToken string.

please help ..

thanks