http://www.codeproject.com/Tips/460614/Difference-between-var-and-dynamic-in-Csharp
http://www.dotnet-tricks.com/Tutorial/csharp/5LQ6210314-Differences-between-Object,-Var-and-Dynamic-type.htmlhttp://www.c-sharpcorner.com/uploadfile/b1df45/var-vs-dynamic-keywords-in-c-sharp/
http://www.dotnet-tricks.com/Tutorial/csharp/5LQ6210314-Differences-between-Object,-Var-and-Dynamic-type.html