Visual Studio 2015 Razor View MVC Types not recognized

Question

I installed Visual Studio 2015 and rebooted. The \"MVC\" types are not recognized in 2015 but are still recognized in 2013. This is my \"Views\" web.config:

Answer 1

From Chris Zhao on asp.net: You could consider uninstalling VS 2015, and reinstall it again,and check whether "Web Developer tools" is selected [go into Custom during the installation to be sure it is checked.

I did this and it got rid of the red underlines under Viewbag.