Creating Complex Web Services
Now that you have completed the mandatory Hello World introduction to Web services, the next step is to get serious by developing a Web service that potentially could be used in a real-world application. The Web service in this case provides a LookUpCustomer webMethod that retrieves the customer information (Listing 9.2). This service, for instance, can be utilized by a Customer Relationship Management (CRM) application, pulling the customer information from a back-office Enterprise Resource Planning (ERP) application (see Figure 9.5).
Figure 9.5. XML data structure returned by the business Web service.
A couple of ...
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