当我单击一个选项卡时,它会显示该选项卡页面的内容,但我想在选择该选项卡时执行一个操作,例如,当我单击“财务选项卡”时,“财务”选项卡中会有一个组合框,组合框应该填充来自sql server的数据,这可能吗?
您可以使用TabControl.SelectedIndexChanged事件
Private Sub TabControl1_SelectedIndexChanged(sender as Object, e as EventArgs) _
Handles TabControl1.SelectedIndexChanged
'suppose your *finance tab* instance is TabPageFinance
If TabControl1.selectedtab is tabPageFinance
'do stuff
End if
'or suppose *finance tab* index is 0
If TabControl1.selectedindex = 0
'do stuff
End if
End Sub
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