ASP.NET MVC 3 - Unable to find the requested .Net Framework Data Provider

Question

Background-info:

I\'m using Microsoft Visual Web Developer 2010 Express.
Info about my (lack of) experience: the problem occured with

Answer 1

Install Microsoft SQL Server Compact 4.0. The link for same is - http://www.microsoft.com/en-us/download/details.aspx?id=17876