Returning JSON from ASMX, and handling it correctly in Javascript

Question

I realize there are tonnes of similar questions already up here but I cannot figure this one out.

I have a Web Service (C#, .net 3.5). The essential Code you need

Answer 1

i have bad english, but this is a solution

----- WSMember.asmx ------

[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[System.Web.Script.Services.ScriptService]
public class WSMember : System.Web.Services.WebService {

     public WSMember () {   
     }

     [WebMethod]
     [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
     public string GetMember(int IdMember)
     {
         Member m = new Member();//Get Member from DB, exam Linq to Sql
         m.Surname = "Smith";
         m.FirstName = "John";
         return string.Format("{{ \"Surname\":\"{0}\",\"FirstName\":\"{1}\" }}",m.Surname,m.FirstName);
     }
}

---- Default.aspx ----

Just a test