Summary

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In this chapter, we have created a business services component using an HTC running on the client that will validate the values of XML data located in a data island. This component will immediately tell users whether they have entered an invalid field and reset the text box to its previous value. We have also used the DSO to create an application that can allow the user to view the data contained within a data island. Using the DSO, we can create a Web-based user services component that can interact with the user using an HTC that encapsulates the business rules for the application.