As you learned in the previous chapter, a web service is a remote procedure that provides its results in XML format. A user consumes a web service by identifying which operations are available and providing the correct parameters. After a successful request, the web service sends back a response in XML format.

In the previous chapter, I showed you how to use Flex to consume a currency conversion web service. In this chapter, I'll show you how to repeat the process using Flash.

As you saw, Flex can access SOAP web services using the WebService class. The great advantage of this class is that it can assemble the SOAP requests for you automatically based on a Web Services Definition Language (WSDL) file. ...

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