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Mastering Microsoft® Visual Basic® 2010 by Evangelos Petroutsos

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Chapter 21. Building and Using Web Services

A web service is a program capable of communicating across a network by using a combination of the open standard Simple Open Access Protocol (SOAP) and XML technologies.

Web services are ideal for creating data-, content-, or processing-related services that can be made available to associated or third-party applications and clients across distributed networks such as the Internet. There are two flavors of web services, the ASP.NET web services and the newer WCF services, which are based on the Windows Communications Foundation component of the Framework.

In this chapter, you will see how to create a simple ASP.NET web service and a client application to consume (use) the web service. You'll also learn ...

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