dynamic keyword problem

Question

pls tell me in which version dynamic keyword is introduced ? I found strange behavior in VS2010. I set target framework to 3.5. But there is no compiler error. just crate a

Answer 1

The dynamic type was introduced in .Net 4.0.

The dynamic type is not a language only feature (i.e purely supported by the compiler). It relies on the DLR which is a .Net 4.0 feature which needs library support.

You cannot use dynamic and target the .Net 3.5 framework.