Before you begin, you must complete Exercise 5.8: Enhancing the output page.
Let's make sure that the Customer Number field on your results.jsp page cannot be modified.
To ensure the customer number field cannot be modified:
This opens the result.jsp page on the Page Designer.
Notice the Properties view of that Text field appears.
This prevents any modifications to the Customer Number.
You have made sure that the customer number field is read only and now you are ready to begin Exercise 5.10: Visualizing the flow structure of your Web application.
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