GUIDED TOUR - PART FOUR - How to create a DualList Field in:
PHP/MySQL Web Database Application Code Generator Version 10
To create a Duallist field that handles many to many relationships, first select the table where you want the field to appear. In this example, tbldvd and click the "Create Dual ListBox Field" … button.

It will add a new field to the end of the table called Duallist 1. Go to the properties column and set the values.

Available Options determines whether it should list all available options or provide an auto-complete field.
The remaining options determine the tables/fields to use.
Continue to Guided Tour Part 5 - Build Options