Application #51. Consume a Web Service
This second topic in the series on Web services focuses on how to consume a Web service. The sample application has four examples, each of which demonstrates interaction with real-world Web services. “Local Time By Zip” is the simplest example. It returns the local time at a Zip Code you enter. “Book Info By ISBN” shows how to retrieve the sales rank and current price from Amazon.com and Barnes & Noble for any book with an ISBN. “Dilbert (Async Demo)” is more advanced, demonstrating how to call the Daily Dilbert Web service asynchronously. (See Figure 5-5.) Finally, the “Failover (UDDI Demo)” simulates using the Microsoft UDDI Business Registry to provide failover support for another local time service. ...
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