如何将会话变量从ASPX页面传递到WCF服务

我想将会话变量从我的asp.net网站传递给WCF服务，你能帮我吗，我已经从服务端进行了操作，但无法从aspx页面传递值.
你能帮我一下吗.真的很紧急.

WCF服务代码

Hi,
i want to pass session variable from my asp.net website to WCF service can you help me i have doen from service side but not able to pass value from aspx page.
Can u help me plzzz. Its really very urgent.

Code of WCF Service

[ServiceBehavior(InstanceContextMode = InstanceContextMode.PerSession)]
   public class Service1 : IService1
   {
       //bool boolValue = true;
       //string stringValue = "Hello ";
       public string Greet(string words)
       {
           return GreetInternal(words);
       }
       public string Greet2(string words)
       {
           return GreetInternal(words);
       }
       string GreetInternal(string words)
       {
           MySessionState state = (MySessionState)HttpContext.Current.Session["MySessionState"];
           if (state == null) {
               state = new MySessionState();
               HttpContext.Current.Session["MySessionState"] = state;
           }
           int counter = state.Touch();
           return string.Format("[Session ''{0}''] You said: {1} (counter: {2})", HttpContext.Current.Session.SessionID, words, counter);
       }

   }
   class MySessionState
   {
       int counter;
       public MySessionState() { }
       public int Counter { get { return this.counter; } }
       public int Touch() { return Interlocked.Increment(ref this.counter); }
   }

给OP的注意事项:请不要使用文字说话.另外，这可能对您来说很紧急，但对我们而言并非如此.因此，尝试在发布时避免这种情况.

Note to OP: Please do not use text speak. Also, it may be urgent for you, but not for us. So try avoiding that while posting.