C# Dynamic Types Break When Upgrading to Visual Studio 2012
问题 I have a project that was originally developed using Visual Studio 2010 with .Net 4.0. It is a class library that implements a custom MVC 3 controller and it uses a dynamic type. If I open the project in Visual Studio 2012 RTM, without making any changes to the project, I get the following error on the dynamic types: One or more types required to compile a dynamic expression cannot be found. Are you missing a reference? I am also getting another error, which is: Missing compiler required