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我有一個檢查列表框,如果我檢查它上面的項目,它將顯示列表框上的選中項目,但僅當該項目存在於數據庫表格上時才顯示。一切工作正常,除非數據不在表格中,複選框仍然被選中。這是我的代碼VB.Net取消選中checkedlistbox中的選定索引
Private Sub CheckedListBox1_ItemCheck(ByVal sender As Object, ByVal e As System.Windows.Forms.ItemCheckEventArgs) Handles CheckedListBox1.ItemCheck
If e.NewValue = CheckState.Checked Then
'Database Query here
If data is on table then
Listbox1.items.add(CheckedListBox1.SelectedItem.ToString)
Else
CheckedListBox1.SetItemCheckState(CheckedListBox1.SelectedIndex, CheckState.Unchecked)
'Unchecking the checked checkbox because data isn't on the table, i'm having problems here, the checkbox remains checked.
end if
Else
Listbox1.items.remove(CheckedListBox1.SelectedItem.ToString)
End if
end sub
看你的代碼,這甚至不會編譯除非你把‘如果數據是表,則’只是爲了解釋的目的呢?我仍然對你想要發生什麼以及你卡在哪裏感到困惑? – Codexer 2014-11-07 04:05:17