Service Class

using System;
using System.Web.Services.Description;
using System.Xml;

class MyServiceClass
{
   public static void Main()
   {
      try
      {
         // Read a WSDL document.
         ServiceDescription myServiceDescription = 
            ServiceDescription.Read("MathService_CS.wsdl");
         ServiceCollection myServiceCollection = 
            myServiceDescription.Services;

         int noOfServices = myServiceCollection.Count;
         Console.WriteLine("\nTotal number of services: " + noOfServices);

         // Gets a reference to the service.
         Service  myOldService = myServiceCollection[0];
         Console.WriteLine("No. of ports in the service: "+
            myServiceCollection[0].Ports.Count);
         Console.WriteLine("These are the ports in the service:");
         for(int i = 0 ; i < myOldService.Ports.Count; i++)
            Console.WriteLine("Port name: " + myOldService.Ports[i].Name);
         Console.WriteLine("Service name: " + myOldService.Name);

         Service myService = new Service();
         myService.Name = "MathService";

         // Add the Ports to the newly created Service.
         for(int i = 0; i < myOldService.Ports.Count; i++)
         {
            string PortName = myServiceCollection[0].Ports[i].Name;
            string BindingName = myServiceCollection[0].Ports[i].Binding.Name;
            myService.Ports.Add(CreatePort(PortName,BindingName,
               myServiceDescription.TargetNamespace));
         }

         Console.WriteLine("Newly created ports -");
         for(int i = 0; i < myService.Ports.Count; i++)
            Console.WriteLine("Port name: " + myOldService.Ports[i].Name);

         // Add the extensions to the newly created Service.
         int noOfExtensions = myOldService.Extensions.Count;
         Console.WriteLine("No. of extensions: " + noOfExtensions);
         if (noOfExtensions > 0)
         {
            for(int i = 0; i < myOldService.Ports.Count; i++)
               myService.Extensions.Add(myServiceCollection[0].Extensions[i]);
         }

         // Remove the service from the collection.
         myServiceCollection.Remove(myOldService);

         // Add the newly created service.
         myServiceCollection.Add(myService);

         myServiceDescription.Write("MathService_New.wsdl");
      }
      catch(Exception e)
      {
         Console.WriteLine("Exception: " + e.Message);
      }
   }

   public static Port CreatePort(string PortName,string BindingName,
      string targetNamespace)
   {
      Port myPort = new Port();
      myPort.Name = PortName;
      myPort.Binding = new XmlQualifiedName(BindingName,targetNamespace);

      // Create a SoapAddress extensibility element to add to the port.
      SoapAddressBinding mySoapAddressBinding = new SoapAddressBinding();
      mySoapAddressBinding.Location = 
         "http://localhost/ServiceClass/MathService_CS.asmx";
      myPort.Extensions.Add(mySoapAddressBinding);
      return myPort;
   }
}