#How to implement drop-down box check in excel?
EXCEL select the drop-down box to realize the check
Step 1: Create a new excel and set the data validity [Select X column--data--valid Sex】
Step 2: Development tools--view code--copy the code and save it
The code is as follows:
Private Sub Worksheet_Change(ByVal Target As Range) ' Developed by Contextures Inc. ' www.contextures.com 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 Application.Undo oldVal = Target.Value Target.Value = newVal If Target.Column = 7 Then '这里规定好哪一列的数据有效性是多选的,A列是第1列,依次类推,如3就是C列,7就是G列 If oldVal = "" Then 'do nothing Else If newVal = "" Then 'do nothing Else If InStr(1, oldVal, newVal) <> 0 Then '重复选择视同删除 If InStr(1, oldVal, newVal) + Len(newVal) - 1 = Len(oldVal) Then '最后一个选项重复 Target.Value = Left(oldVal, Len(oldVal) - Len(newVal) - 1) Else Target.Value = Replace(oldVal, newVal & ",", "") '不是最后一个选项重复的时候处理逗号 End If Else '不是重复选项就视同增加选项 Target.Value = oldVal & "," & newVal ' NOTE: you can use a line break, ' instead of a comma ' Target.Value = oldVal _ ' & Chr(10) & newVal End If End If End If End If End If exitHandler: Application.EnableEvents = True End Sub
For more Excel-related technical articles, please visit the Excel Basic Tutorial column!
The above is the detailed content of How to implement drop-down box check in Excel. For more information, please follow other related articles on the PHP Chinese website!