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Editorial Team
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Asked: 2026-05-16T23:32:36+00:00

I have a combobox where the SelectedValue on the combo is bound to a

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I have a combobox where the SelectedValue on the combo is bound to a property on a business object.

Everything works fine, but the property that’s bound to the SelectedValue on the combo only gets updated when the focus leaves the control. I understand that the property doesn’t get updated until the control is validated (loses focus), but I need it to update the datasource as soon as the dropdown is closed.

I know I could probably leave focus from the control on the DropDownClosed event but I’d prefer something a little less kludgy.

What’s the best way to immediately update my datasource when the dropdown is closed?

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1 Answer

  1. Editorial Team

    Set the DataSourceUpdateMode to OnPropertyChanged. Here is similar problem:

    [http://social.msdn.microsoft.com/Forums/en/winformsdatacontrols/thread/bc39342b-d9b5-4ad0-bd35-073869ccf8be%5D%5B1%5D

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