responseformat

I'm using JavaScript to access a ScriptService method called GetPerson(). The problem is that it is returning a fairly empty JSON string instead of an actual object string. The same happens when I return a new DateTime object so the class is out of question I hope. This is returned: {"d":{"__type":"Person"}} this is my WebService.cs: using System; using System.Collections; using System.Linq; using System.Web; using System.Web.Services; using System.Web.Services.Protocols; using System.Xml.Linq; using System.Web.Script.Services; /// <summary> /// </summary> [WebService(Namespace = "http:/

WCF offers two options for ResponseFormat attribute in WebGet annotation in ServiceContract. [ServiceContract] public interface IService1 { [OperationContract] [WebGet(UriTemplate = "greet/{value}", BodyStyle = WebMessageBodyStyle.Bare)] string GetData(string value); [OperationContract] [WebGet(UriTemplate = "foo", BodyStyle = WebMessageBodyStyle.Bare, ResponseFormat = WebMessageFormat.Json)] string Foo(); The options for ResponseFormat are WebMessageFormat.Json and WebMessageFormat.Xml. Is it possible to write my own web message format? I would like that when client calls foo() method he gets