struts-sandbox/overdrive/PhoneBook2/projects/Web/HelloWorld.ashx

<%@ WebHandler Class="JayrockWeb.HelloWorld"  Language="C#" %>

namespace JayrockWeb
{
    using Jayrock.JsonRpc;
    using Jayrock.JsonRpc.Web;

    public class HelloWorld : JsonRpcHandler
    {
        [ JsonRpcMethod("greetings") ]
        public string Greetings()
        {
            return "Welcome to Jayrock!";
        }
    }
}