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Programming Microsoft® ASP.NET by Dino Esposito

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Chapter 17. Working with Web Services

 

One thing life has taught me: if you are interested, you never have to look for new interests. They come to you. When you are genuinely interested in one thing, it will always lead to something else.

 
 --Eleanor Roosevelt

Web services (sometimes called XML Web services) are software components that provide some type of service over the Internet. Just like a conventional Web site, a Web service is reachable through a public URL and is subject to the same security restrictions of an HTML-based Web site. Unlike ordinary Web sites, though, Web services don't have a user interface. Web services are programmable entities that expose callable functions.

The caller can certainly be a human, but it will more likely be ...

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