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Chapter 3. Layout Enhancements > Validating Formats with Value Lists

Validating Formats with Value Lists

People often use the pop-up menu format when another choice would be much more appropriate. If you've ever filled out a form on a Web page, you've probably seen a pop-up list with the abbreviations for all 50 states. Unless you live in Alabama, Alaska, Arkansas, or California, you probably find this format less convenient than if you simply typed in your state's two-letter abbreviation. If you release the mouse on the wrong choice you have to repeat the process. A scrolling pop-up list might be a good solution, or you can use a value list to validate user entries. If you create a value list with all the state abbreviations, it will compare the list against the entry to minimize errors.


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