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Chapter 6. Dynamic Forms > Using Dynamic Radio Buttons

Using Dynamic Radio Buttons

Radio buttons are perfect when you want to limit users to a preset number of choices. Radio buttons traditionally come in groups—if you think you need only one radio button, use a checkbox instead.

All buttons in the same group will have the same name, but different values. Choosing any radio button in a group automatically deselects any previous selection, so only one button can be selected at any given time. These buttons are called radio buttons because on old-fashioned radios, you could program in five different stations, but pushing in one button caused the last-selected button to pop out. (This is in contrast to checkboxes, which allow you to select more than one box at a time. Checkboxes are discussed in the next section, Using Dynamic Checkboxes.)


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