Unable to find the requested .Net Framework Data Provider. It may not be installed. - when following mvc3 asp.net tutorial

Question

I am following the ASP.NET MVC 3 Music store application tutorial but I keep getting stuck in part 4: http://www.asp.net/mvc/tutorials/mvc-music-store-part-4. It keeps telli

Answer 1

This happened to me because I created a new project which was trying to use System.Web.Providers DefaultMembershipProvider for membership. My DB and application was set up to use System.Web.Security.SqlMembershipProvider instead. I had to update the provider and connection string (since this provider seems to have some weird connection string requirements) to get it working.