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How can I populate a 2nd listbox on a form (multi select = Simple), with records &nbsp;after selecting a record in the 1st listbox. &nbsp;The 1st listbox shows categories. &nbsp;When I select one of them I want the related sub-categories to display in the 2nd listbox. &nbsp;How can I do this?
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How can I populate a 2nd listbox on a form (multi select = Simple), with records  after selecting a record in the 1st listbox.  The 1st listbox shows categories.  When I select one of them I want the related sub-categories to display in the 2nd listbox.  How can I do this?

Populate a 2nd list box after selecting a record in the 1st listbox

Microsoft Access is a rapid application development (RAD) relational database tool. Access can be used for both desktop and web-based applications, and uses VBA (Visual Basic for Applications) as its coding language.