vb.net - Disable winform button on sheet Activate event -

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i want set buttons property enable = false when worksheet activates. wrote thought pretty straight forward code:

    private sub dsbemployeeboard_activateevent() handles me.activateevent      dim navform new frmnavigation     navform.btnmoveforward.enabled = false  end sub

however, when sheet activates button not disable. missing something? buttons default enable property set true , no other code controlling property.

1.check event trigger.

2.check enabled false after assign.

3.maybe need refresh form.


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