A Programmer's Guide to .NET

15.6. Consuming a web service

As with web services, we can create web service consumers with any tool we like. Consumers communicate with web services via standard protocols – SOAP, HTTP-GET, and HTTP-POST – and exchange XML-encoded messages.

Using the HTTP-GET protocol

Let’s start with the simplest type of web service client – one who uses the HTTP-GET protocol to communicate with the service. If we navigate to the URL of our web service – http://localhost/WebServices/wsdemo.asmx in our example – then click on the method name in the first screen (see Figure 15.4 earlier in this chapter), we will get the default web service consumer autogenerated for us by .NET. It uses HTTP-GET protocol to communicate with the web service. Here is the GET ...