How to implement custom JSON serialization from ASP.NET web service?

Question

What options are there for serialization when returning instances of custom classes from a WebService?

We have some classes with a number of child collection class p

Answer 1

If you're using .NET 3.x (or can), a WCF service is going to be your best bet.

You can selectively control which properties are serialized to the client with the [DataMember] attribute. WCF also allows more fine-grained control over the JSON serialization and deserialization, if you desire it.

This is a good example to get started: http://blogs.msdn.com/kaevans/archive/2007/09/04/using-wcf-json-linq-and-ajax-passing-complex-types-to-wcf-services-with-json-encoding.aspx