Sub Worksheet_Change(ByVal Target As Range)
'讓數據有效性選擇 可以多選,不可重復
Dim rngDV As Range
Dim oldVal As String
Dim newVal As String
If Target.Count > 1 Then GoTo exitHandler
On Error Resume Next
Set rngDV = Cells.SpecialCells(xlCellTypeAllValidation)
On Error GoTo exitHandler
If rngDV Is Nothing Then GoTo exitHandler
If Intersect(Target, rngDV) Is Nothing Then
'do nothing
Else
Application.EnableEvents = False
newVal = Target.Value
If Target.Column = 2 Or 3 Or 6 Then '數字是你想要多選的列是多少，多個用or連接。
Application.Undo
oldVal = Target.Value
Target.Value = newVal
If oldVal = "" Then
Else
If newVal = "" Then
Else '去除重復的字段
If InStr(1, oldVal, newVal) <> 0 Then
If InStr(1, oldVal, newVal) + Len(newVal) - 1 = Len(oldVal) Then '最后一個選項重復
Target.Value = Left(oldVal, Len(oldVal) - Len(newVal) - 1)
Else
Target.Value = Replace(oldVal, newVal & ",", "") '不是最后一個選項重復的時候處理逗號
End If
Else '不是重復選項就視同增加選項
Target.Value = oldVal _
& "," & newVal '可以是任意符號隔開
End If
End If
End If
End If
End If
exitHandler:
Application.EnableEvents = True
End Sub