wcf client using WSHttpBinding and Channel

gistfile1.txt

        public string HelloWorld()
        {
            // workable
            WSHttpBinding binding = new WSHttpBinding();
            EndpointAddress address = new EndpointAddress("http://localhost:8732/Design_Time_Addresses/WcfServiceLibrary1/Service1/");
            IService1 proxy = ChannelFactory<IService1>.CreateChannel(binding, address);
            using (proxy as IDisposable)
            {
                proxy.GetData(99);
            }

            Service1Client client = new Service1Client("WSHttpBinding_IService1");
            string ret = client.GetData(99);
            return ret;
        }