SoapHeaderBinding Class

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

   public class MySampleClass
   {
   public static void Main()
   {
      ServiceDescription myServiceDescription = 
         ServiceDescription.Read("SoapHeaderBindingInput_cs.wsdl");
      Binding myBinding = new Binding();
      myBinding.Name = "MyWebServiceSoap";
      myBinding.Type =new XmlQualifiedName("s0:MyWebServiceSoap");

      SoapBinding mySoapBinding =new SoapBinding();
      mySoapBinding.Transport="http://schemas.xmlsoap.org/soap/http";
      mySoapBinding.Style=SoapBindingStyle.Document;
      myBinding.Extensions.Add(mySoapBinding);

      OperationBinding myOperationBinding = new OperationBinding();
      myOperationBinding.Name = "Hello";

      SoapOperationBinding mySoapOperationBinding = 
         new SoapOperationBinding();
      mySoapOperationBinding.SoapAction = "http://tempuri.org/Hello";
      mySoapOperationBinding.Style=SoapBindingStyle.Document;
      myOperationBinding.Extensions.Add(mySoapOperationBinding);

      // Create InputBinding for operation for the 'SOAP' protocol.
      InputBinding myInputBinding = new InputBinding();
      SoapBodyBinding mySoapBodyBinding = new SoapBodyBinding();
      mySoapBodyBinding.Use = SoapBindingUse.Literal;
      myInputBinding.Extensions.Add(mySoapBodyBinding);
      SoapHeaderBinding mySoapHeaderBinding=new SoapHeaderBinding();
      mySoapHeaderBinding.Message=new XmlQualifiedName("s0:HelloMyHeader");
      mySoapHeaderBinding.Part="MyHeader";
      mySoapHeaderBinding.Use=SoapBindingUse.Literal;
      // Add mySoapHeaderBinding to 'myInputBinding' object. 
      myInputBinding.Extensions.Add(mySoapHeaderBinding);
      // Create OutputBinding for operation for the 'SOAP' protocol.
      OutputBinding myOutputBinding = new OutputBinding();
      myOutputBinding.Extensions.Add(mySoapBodyBinding);

      // Add 'InputBinding' and 'OutputBinding' to 'OperationBinding'. 
      myOperationBinding.Input = myInputBinding;
      myOperationBinding.Output = myOutputBinding;
      myBinding.Operations.Add(myOperationBinding);

      myServiceDescription.Bindings.Add(myBinding);
      myServiceDescription.Write("SoapHeaderBindingOut_cs.wsdl");
      Console.WriteLine("'SoapHeaderBindingOut_cs.wsdl' file is generated.");
      Console.WriteLine("Proxy could be created using "
                           +"'wsdl SoapHeaderBindingOut_cs.wsdl'.");
   }
}