How to populate dropdown list based on selection of another dropdown (Wordpress Form Maker)

NickName:Anna Chiara Campana Ask DateTime:2017-03-07T01:35:03

How to populate dropdown list based on selection of another dropdown (Wordpress Form Maker)

I'm trying to populate a second dropdown list based on selection from a first dropdown list using WordPress plugin Form Maker by WebDorado. I have two tables on MySQL db "Company" and "Branches" which is linked to the first one by the foreign key company_id. I have a first dropdown menù populated from "company" table and i would like that the second dropdown menù ("branches") shall be filled according to the selection on the first one (by usign the foreign key). How can I do?

Thanks in advance.

Copyright Notice：Content Author:「Anna Chiara Campana」，Reproduced under the CC 4.0 BY-SA copyright license with a link to the original source and this disclaimer.
Link to original article：https://stackoverflow.com/questions/42632036/how-to-populate-dropdown-list-based-on-selection-of-another-dropdown-wordpress

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