static void Main(string[] args) { // web reference(for web service) WebServiceWebReference.WebService ws = new WebServiceWebReference.WebService(); string test = ws.HelloWorld(); // service reference(for web service) WebServiceReference.WebServiceSoapClient client = new WebServiceReference.WebServiceSoapClient(); client.Endpoint.Address = new System.ServiceModel.EndpointAddress( "http://localhost:56009/WebService.asmx"); string test1 = client.HelloWorld(); // web reference(for wcf service) WCFWebReference.WCFService wcf = new WCFWebReference.WCFService(); wcf.DoWork(); // service reference(for wcf service) WCFServiceReference.WCFServiceClient client2 = new WCFServiceReference.WCFServiceClient(); client.Endpoint.Address = new System.ServiceModel.EndpointAddress( "http://localhost:56009/WCFService.svc"); client2.DoWork(); }