// Used to create OperationBinding instances within 'Binding'.
public static OperationBinding CreateOperationBinding(string operation,
   string targetNamespace)
{
   // Create OperationBinding for operation.
   OperationBinding myOperationBinding = new OperationBinding();
   myOperationBinding.Name = operation;
   // Create InputBinding for operation.
   InputBinding myInputBinding = new InputBinding();
   SoapBodyBinding mySoapBodyBinding = new SoapBodyBinding();
   mySoapBodyBinding.Use = SoapBindingUse.Literal;
   myInputBinding.Extensions.Add(mySoapBodyBinding);
   // Create OutputBinding for operation.
   OutputBinding myOutputBinding = new OutputBinding();
   myOutputBinding.Extensions.Add(mySoapBodyBinding);

   // Add InputBinding and OutputBinding to OperationBinding.
   myOperationBinding.Input = myInputBinding;
   myOperationBinding.Output = myOutputBinding;

   // Create an extensibility element for SoapOperationBinding.
   SoapOperationBinding mySoapOperationBinding = new SoapOperationBinding();
   mySoapOperationBinding.Style = SoapBindingStyle.Document;
   mySoapOperationBinding.SoapAction = targetNamespace + operation;

   // Add the extensibility element SoapOperationBinding to OperationBinding.
   myOperationBinding.Extensions.Add(mySoapOperationBinding);
   return myOperationBinding;
}