SSL net remoting .Need some help !

Hi every one.
Here is my General.cs code
using System;
using System.Collections.Generic;
using System.Text;


namespace General
{  
    public interface ICustomerManager
    {
        Customer getCustomer(int id);
    }

} 
 
 
ServerRemote.cs  
using System;
using System.Collections.Generic;
using System.Runtime.Remoting;
using System.Runtime.Remoting.Channels;
using System.Runtime.Remoting.Channels.Http;
using System.Security.Principal;
using System.Text;
using General;

namespace RemotingServer
{
    public class CustomerManager : MarshalByRefObject
    {
        public CustomerManager()
        ...