Cannot define class or member that utilizes dynamic because the compiler required type

Question

I\'m using Facebook SDK C# Library in Asp.Net 3.5 Application. When I\'m trying to compile the code below give me the errors. As I know dynamic type using in 4.0 framework. So i

Answer 1

dynamic is available in C# 4.0.

You have to convert your application to 4.0 version Change the referenced assemblies(System.Core) to 4.0 version.