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如何在Excel中记住或保存已更改单元格的先前单元格值?

添加一名作者 最后修改时间:2022-05-20

通常,当用新内容更新单元格时,会覆盖以前的值,除非在 Excel 中撤消操作。 但是,如果您想保留先前的值以与更新的值进行比较,将先前的单元格值保存到另一个单元格或单元格注释中将是一个不错的选择。 本文中的方法将帮助您实现它。

在Excel中使用VBA代码保存以前的单元格值


在Excel中使用VBA代码保存以前的单元格值

假设您有一个表格,如下所示。 如果C列中的任何单元格发生更改,则要将其先前的值保存到G列的相应单元格中,或自动保存在注释中。 请按照以下步骤进行操作。

1.在工作表中包含更新时将保存的值,右键单击工作表选项卡,然后选择 查看代码 从右键单击菜单中。 看截图:

2.在开幕 Microsoft Visual Basic应用程序 窗口,将下面的VBA代码复制到“代码”窗口中。

以下VBA代码可帮助您将指定列的先前单元格值保存到另一列中。

VBA代码:将先前的单元格值保存到另一个列单元格中

Dim xRg As Range
Dim xChangeRg As Range
Dim xDependRg As Range
Dim xDic As New Dictionary
Private Sub Worksheet_Change(ByVal Target As Range)
    Dim I As Long
    Dim xCell As Range
    Dim xDCell As Range
    Dim xHeader As String
    Dim xCommText As String
    On Error Resume Next
    Application.ScreenUpdating = False
    Application.EnableEvents = False
    xHeader = "Previous value :"
    x = xDic.Keys
    For I = 0 To UBound(xDic.Keys)
        Set xCell = Range(xDic.Keys(I))
        Set xDCell = Cells(xCell.Row, 7)
        xDCell.Value = ""
        xDCell.Value = xDic.Items(I)
    Next
    Application.EnableEvents = True
    Application.ScreenUpdating = True
End Sub
Private Sub Worksheet_SelectionChange(ByVal Target As Range)
    Dim I, J As Long
    Dim xRgArea As Range
    On Error GoTo Label1
    If Target.Count > 1 Then Exit Sub
    Application.EnableEvents = False
    Set xDependRg = Target.Dependents
    If xDependRg Is Nothing Then GoTo Label1
    If Not xDependRg Is Nothing Then
        Set xDependRg = Intersect(xDependRg, Range("C:C"))
    End If
Label1:
    Set xRg = Intersect(Target, Range("C:C"))
    If (Not xRg Is Nothing) And (Not xDependRg Is Nothing) Then
        Set xChangeRg = Union(xRg, xDependRg)
    ElseIf (xRg Is Nothing) And (Not xDependRg Is Nothing) Then
        Set xChangeRg = xDependRg
    ElseIf (Not xRg Is Nothing) And (xDependRg Is Nothing) Then
        Set xChangeRg = xRg
    Else
        Application.EnableEvents = True
        Exit Sub
    End If
    xDic.RemoveAll
    For I = 1 To xChangeRg.Areas.Count
        Set xRgArea = xChangeRg.Areas(I)
        For J = 1 To xRgArea.Count
            xDic.Add xRgArea(J).Address, xRgArea(J).Formula
        Next
    Next
    Set xChangeRg = Nothing
    Set xRg = Nothing
    Set xDependRg = Nothing
    Application.EnableEvents = True
End Sub

要在注释中保存以前的单元格值,请应用以下VBA代码

VBA代码:在注释中保存以前的单元格值

Dim xRg As Range
Dim xChangeRg As Range
Dim xDependRg As Range
Dim xDic As New Dictionary
Private Sub Worksheet_Change(ByVal Target As Range)
    Dim I As Long
    Dim xCell As Range
    Dim xHeader As String
    Dim xCommText As String
    On Error Resume Next
    Application.ScreenUpdating = False
    Application.EnableEvents = False
    xHeader = "Previous value :"
    For I = 0 To UBound(xDic.Keys)
        Set xCell = Range(xDic.Keys(I))
        If Not xCell.Comment Is Nothing Then xCell.Comment.Delete
        With xCell
            .AddComment
            .Comment.Visible = False
            .Comment.Text xHeader & vbCrLf & xDic.Items(I)
        End With
    Next
    Application.EnableEvents = True
    Application.ScreenUpdating = True
End Sub
Private Sub Worksheet_SelectionChange(ByVal Target As Range)
    Dim I, J As Long
    Dim xRgArea As Range
    On Error GoTo Label1
    If Target.Count > 1 Then Exit Sub
    Application.EnableEvents = False
    Set xDependRg = Target.Dependents
    If xDependRg Is Nothing Then GoTo Label1
    If Not xDependRg Is Nothing Then
        Set xDependRg = Intersect(xDependRg, Range("C:C"))
    End If
Label1:
    Set xRg = Intersect(Target, Range("C:C"))
    If (Not xRg Is Nothing) And (Not xDependRg Is Nothing) Then
        Set xChangeRg = Union(xRg, xDependRg)
    ElseIf (xRg Is Nothing) And (Not xDependRg Is Nothing) Then
        Set xChangeRg = xDependRg
    ElseIf (Not xRg Is Nothing) And (xDependRg Is Nothing) Then
        Set xChangeRg = xRg
    Else
        Application.EnableEvents = True
        Exit Sub
    End If
    xDic.RemoveAll
    For I = 1 To xChangeRg.Areas.Count
        Set xRgArea = xChangeRg.Areas(I)
        For J = 1 To xRgArea.Count
            xDic.Add xRgArea(J).Address, xRgArea(J).Text
        Next
    Next
    Set xChangeRg = Nothing
    Set xRg = Nothing
    Set xDependRg = Nothing
    Application.EnableEvents = True
End Sub

备注:在代码中,数字7表示将先前的单元格保存到的G列,而C:C是将先前的单元格值保存的列。 请根据您的需要进行更改。

3。 点击 工具 > 参考资料 打开 裁判– VBAProject 对话框,检查 Microsoft脚本运行时 框,最后单击 OK 按钮。 看截图:

4。 按 其他 + Q 关闭键 Microsoft Visual Basic应用程序 窗口。

从现在开始,当C列中的单元格值更新时,该单元格的先前值将保存到G列中的相应单元格中,或保存在注释中,如下面的屏幕快照所示。

将以前的单元格值保存在其他单元格中:

在注释中保存以前的单元格值:

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Comments (23)
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This comment was minimized by the moderator on the site
Hi, I'm a newbie of VBA👋

I have a question here 🧐
I pasted the VBA code: Save previous cell value in the comment I my excel but
What if my previous cell is blank then do nothing (No comment) for that particular BLANK cell?
How do I modify the VBA code?
Any expert to provide any solution of this, many thanks👋
This comment was minimized by the moderator on the site
Hi!

Thank you for the function, i would like to know what i have to change to keep all the change.

For exemple if i change two time the value i want te save both last values.

Thank you in advance for the help!
This comment was minimized by the moderator on the site
Hi,
The following VBA code accomplishes this: Track all changes in Column C and store the previous values in successive columns starting from Column G. If Column G is not where you want to start storing these values, adjust the xColumn = 7 line in the code (7 represents Column G, 8 for Column H, and so on).
Hope I can help.

Dim xRg As Range
Dim xChangeRg As Range
Dim xDependRg As Range
Dim xDic As New Dictionary

Private Sub Worksheet_Change(ByVal Target As Range)
'Updated by extendoffice 20240112
    Dim xCell As Range
    Dim xPrevCell As Range
    Dim xColumn As Long
    On Error Resume Next
    Application.ScreenUpdating = False
    Application.EnableEvents = False

    For Each xCell In Target
        If Not xDic.Exists(xCell.Address) Then GoTo NextCell
        If Intersect(xCell, Me.Range("C:C")) Is Nothing Then GoTo NextCell

        ' Find next available column starting from G
        xColumn = 7
        While Me.Cells(xCell.Row, xColumn).Value <> ""
            xColumn = xColumn + 1
        Wend

        ' Save previous value to the next available column
        Set xPrevCell = Me.Cells(xCell.Row, xColumn)
        xPrevCell.Value = xDic(xCell.Address)

NextCell:
    Next xCell

    ' Clear the dictionary and re-enable events
    xDic.RemoveAll
    Application.EnableEvents = True
    Application.ScreenUpdating = True
    On Error GoTo 0
End Sub

Private Sub Worksheet_SelectionChange(ByVal Target As Range)
    Dim cell As Range
    On Error Resume Next
    Application.EnableEvents = False

    ' Reset dictionary and store current values for cells in column C
    xDic.RemoveAll
    For Each cell In Intersect(Target, Me.Range("C:C"))
        If Not cell Is Nothing Then
            xDic.Add cell.Address, cell.Value
        End If
    Next cell

    Application.EnableEvents = True
    On Error GoTo 0
End Sub
This comment was minimized by the moderator on the site
Can any body help in this problem
This comment was minimized by the moderator on the site
saving the previous data when entering manually but not working when data is refreshing from a web site, it is doing nothing
please help
thanks
This comment was minimized by the moderator on the site
Hi Kamal.
This problem is a bit complicated. After trying various methods, I can't deal with it. I am sorry for that.
This comment was minimized by the moderator on the site
only working when entering data manually
but not working when data is refreshing from a website
please help
thanks
This comment was minimized by the moderator on the site
cho e hỏi chút là có cách nào để khi tính toán cộng trừ xong thì nó sẽ lưu lại giá trị khi tính toán xong không ạ
ví dụ:
Giá trị ở cột A = cột B + cột C
Khi tính toán xong cột A sẽ lưu giá trị sau khi đã tính toán xong, lần tiếp theo tính toán thì nó cột A sẽ lấy giá trị hiện tại để tính toán tiếp chứ không lấy giá trị ban đầu ạ
This comment was minimized by the moderator on the site
Hi trung,
The code has been updated. Please give it a try. Thanks for your feedback.
In the following code, the number 5 in this line Set xDCell = Cells(xCell.Row, 5) represents the column E where you will place the previous value. A:A refers to the cells in column A. You need to save the previous values of these cells.

Dim xRg As Range
'Updated by Extendoffice 20220803
Dim xChangeRg As Range
Dim xDependRg As Range
Dim xDic As New Dictionary
Private Sub Worksheet_Change(ByVal Target As Range)
    Dim I As Long
    Dim xCell As Range
    Dim xDCell As Range
    Dim xHeader As String
    Dim xCommText As String
    Dim X
    On Error Resume Next
    Application.ScreenUpdating = False
    Application.EnableEvents = False
    xHeader = "Previous value :"
    X = xDic.Keys
    For I = 0 To UBound(xDic.Keys)
        Set xCell = Range(xDic.Keys(I))
        Set xDCell = Cells(xCell.Row, 5)
        
        xDCell.NumberFormatLocal = xCell.NumberFormatLocal
        xDCell.Value = xDic.Items(I)
        
    Next
    Application.EnableEvents = True
    Application.ScreenUpdating = True
End Sub
Private Sub Worksheet_SelectionChange(ByVal Target As Range)
    Dim I, J As Long
    Dim xRgArea As Range
    On Error GoTo Label1
    If Target.Count > 1 Then Exit Sub
    Application.EnableEvents = False
    Set xDependRg = Target.Dependents
    If xDependRg Is Nothing Then GoTo Label1
    If Not xDependRg Is Nothing Then
        Set xDependRg = Intersect(xDependRg, Range("A:A"))
    End If
Label1:
    Set xRg = Intersect(Target, Range("A:A"))
    If (Not xRg Is Nothing) And (Not xDependRg Is Nothing) Then
        Set xChangeRg = Union(xRg, xDependRg)
    ElseIf (xRg Is Nothing) And (Not xDependRg Is Nothing) Then
        Set xChangeRg = xDependRg
    ElseIf (Not xRg Is Nothing) And (xDependRg Is Nothing) Then
        Set xChangeRg = xRg
    Else
        Application.EnableEvents = True
        Exit Sub
    End If
    xDic.RemoveAll
    For I = 1 To xChangeRg.Areas.Count
        Set xRgArea = xChangeRg.Areas(I)
        For J = 1 To xRgArea.Count
            xDic.Add xRgArea(J).Address, xRgArea(J).Text ' xRgArea(J).Formula
        Next
    Next
    Set xChangeRg = Nothing
    Set xRg = Nothing
    Set xDependRg = Nothing
    Application.EnableEvents = True
End Sub
This comment was minimized by the moderator on the site
It is good if you type in.Can you help me to work it in when data is entered by using the value of function from DDE(Dynamic Data Exchange) as well?
This comment was minimized by the moderator on the site
Hi,
Sorry I can't solve this problem. I suggest you post the problem to the forum below to get help from other Excel enthusiasts.
https://www.extendoffice.com/forum/kutools-for-excel.html
This comment was minimized by the moderator on the site
Is there a way to repeat this for all changes? I would like the Comments Box to show all of the previous entries if possible.
This comment was minimized by the moderator on the site
Hi Jennie! Did you manage to solve this issue? I am also trying to collect in a comments box all the new entries, but I am having difficulties to adapt the VBA code to this. Thank you!
This comment was minimized by the moderator on the site
If the cell I want to save is a formula, the G cell will only save the formula, and calculate the value. I need to save the value - not the formula. How can I tell the VBA code, that the value changes although the formula is not changed. Best regards Flemming
This comment was minimized by the moderator on the site
This is for one cell value ,but how do for multiple cell value ,i want 4 cell data store and update like this for example C,D,E,F cell data into G,H,I,J cell respectively ,how can do please help
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