This example illustrates:
Event-handlers are defined in the form definition to update the selection lists and set
Selection widgets also have a "submit-on-change" attribute set in the form template so that
changes are considered immediately by the server.
See "carselector_form.xml" and "carselector_template.xml" to see how this is done.
- how you can programmatically update the content of a selection list,
- the AJAX features that allow partial page reloads and the associated visual effects.
Page update effect:
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