[Serializable]

http://www.codeproject.com/Articles/124541/Working-on-JSON-objects-in-jQuery-and-MVC

http://stackoverflow.com/questions/25828553/cannot-find-html-serialize-helper-in-mvc-5-futures

below is better:
http://stackoverflow.com/questions/6148652/problem-with-the-mvcserializer-after-updating-from-mvc2-to-mvc3

http://www.codeproject.com/Articles/36781/Serialization-and-Deserialization-in-ASP-NET-with