Error: «Could not load type MvcApplication»

Question

I am getting the error

Could not load type MvcApplication

when I try to run my website.

How to correct it?

Answer 1

I had this frustrating error in development environment in Visual studio, and turned out the reason was quite dumb. In short if you have more than one web projects/sites in solution: make sure that the port you are trying to access the website is the same as configured in the Project Properties->Web

In my case, the error was caused because I was using a different port to access the website (in the browser) while the project in solution was assigned another port. To explain a little bit more, I had two website projects in my solution Website1(assigned port 8001 in ISS by Visual-Studio) and Website2(assigned port 8101 in ISS by Visual-Studio). So even though I was building Website1, I was trying to access the website using locahost:8101.

Now that I finally realized the problem, I see that @StingyJack's comment addresses the similar issue as well.