Completely clean... Except for DateTime types. Since it uses JavaScriptSerializer under the hood, Json() serializes DateTime values as \/Date(ticks)\/. That,

Completely clean... Except for DateTime types. Since it uses JavaScriptSerializer under the hood, Json() serializes DateTime values as \/Date(ticks)\/. That, of course, is more the fault of JavaScript lacking a Date literal than Microsoft's serializer. Everyone has to solve that problem some way or another.