I am in the process of upgrading to MVC4. I have followed the instructions at http://www.asp.net/whitepapers/mvc4-release-notes#_Toc303253806 but in my Razor views and layou
I had run a project clean, and installed or reinstalled everything and was still getting lots of Intellisense errors, even though my site was compiling and running fine. Intellisense finally worked for me when I changed the version numbers in my web.config file in the Views folder. In my case I'm coding a module in Orchard, which runs in an MVC area, but I think this will help anyone using the latest release of MVC. Here is my web.config from the Views folder