- JotForm SupportWelvinAnswered on August 12, 2014 at 04:37 PM
I think you're looking for a look-up function which is currently not available in Jotform. I have requested that to our widget team.
For now, you may consider using this widget instead: http://widgets.jotform.com/widget/autocomp. You have to add the existing entries to the option of this widget.