// Create a new Binding for SOAP Protocol.
Binding myBinding = new Binding();
myBinding.Name = myServiceDescription.Services[0].Name + "Soap";
// Pass the name of the existing porttype 'MathServiceSoap' and the Xml targetNamespace attribute of the Descriptions tag.
myBinding.Type = new XmlQualifiedName("MathServiceSoap",myServiceDescription.TargetNamespace);
// Create SOAP Extensibility element.
SoapBinding mySoapBinding = new SoapBinding();
// SOAP over HTTP.
mySoapBinding.Transport = "http://schemas.xmlsoap.org/soap/http";
mySoapBinding.Style = SoapBindingStyle.Document;
// Add tag soap:binding as an extensibility element.
myBinding.Extensions.Add(mySoapBinding);
// Create OperationBindings for each of the operations defined in asmx file.
OperationBinding addOperationBinding = CreateOperationBinding("Add",myServiceDescription.TargetNamespace);
myBinding.Operations.Add(addOperationBinding);
OperationBinding subtractOperationBinding = CreateOperationBinding("Subtract",myServiceDescription.TargetNamespace);
myBinding.Operations.Add(subtractOperationBinding);
OperationBinding multiplyOperationBinding = CreateOperationBinding("Multiply",myServiceDescription.TargetNamespace);
myBinding.Operations.Add(multiplyOperationBinding);
OperationBinding divideOperationBinding = CreateOperationBinding("Divide",myServiceDescription.TargetNamespace);
myBinding.Operations.Add(divideOperationBinding);
myServiceDescription.Bindings.Insert(0,myBinding);