DataTable JSON Serialization in JSON.NET and JavaScriptSerializer

I've been thinking about replacing the JSON serializer in my internal codebase for some time and finally put a little effort into allowing JSON.NET from James Newton King to be plugged into my Ajax framework as a replaceable engine. My own parser has served me well, but JSON.NET is a much cleaner design and more flexible especially when dealing with extensibility. There are also a few nice feature