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Editorial Team
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Asked: 2026-06-01T05:11:42+00:00

I have two drop down boxes in my program. When you select an item

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I have two drop down boxes in my program. When you select an item from the first drop down, it populates select-able items in the second. When I select something in the second and then change the selection in the first one, the values remain in the second. How do I “reset” the second drop down when the first is changed?

Any help would be awesome!

The drop down is in a windows form.

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1 Answer

  1. Editorial Team

    You have to reset the comboxBox items collection before adding the new items :

    comboBox.Items.Clear()

    Hope that helps.

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