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Editorial Team
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Asked: 2026-05-23T20:37:33+00:00

I currently have two comboboxes on a form. The first combobox contains a list

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I currently have two comboboxes on a form. The first combobox contains a list of items. I want the second combobox to repopulate whenever the first one is changed. The query that returns contents of the second box will use the PK value from the first box.

So basically the second combobox is bound to the query (example):

SELECT a.ID, a.description
FROM a
WHERE a.FK = [forms]![cbo1]

really generic example. This isn’t working for me right now. Is there a way to do this, or am i going to have to do it in code?

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1 Answer

  1. Editorial Team

    You have to add an onChange event to the first box. Click on the properties of the first box, then on the event tab and the elipses(…) next to the onChange field. Pick the code editor that will take you to a VBA window where you can instruct the second box to refresh. So if your second combo box is called cmbA you would have

    cmbA.Requery

    in the event handler method.

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