Excel Conditional Cell Protection

Posted on 2010-08-23
Last Modified: 2012-06-27
I have a spreadsheet with rows which users need to edit before final approval but not afterward.  I need some help with conditional protection.  Basically, in the attached spreadsheet, if L5 is <> null, I need entire row 5 protected.  If L5 = null, then the row should be open for editing.  And then this same criteria applied to the remainder of the spreadsheet, with the L column from cell 5 onward as the key.  Can anyone help?
Question by:mrherndon
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LVL 24

Expert Comment

ID: 33505209
Your sheet is password protected.  Unprotect and re-post.

Author Comment

ID: 33505277
Apologies.  Unprotected.
LVL 24

Accepted Solution

broomee9 earned 500 total points
ID: 33505360
OK, try this:

Private Sub Worksheet_Change(ByVal Target As Range)
On Error GoTo errHandler

    Application.EnableEvents = False

    If Target.Column = 12 And Target.Count = 1 Then
        Call UnProtect
        If Target.Value <> "" Then Rows(Target.Row).Locked = True
        Call Protect
    End If

    Application.EnableEvents = True
    Exit Sub

    MsgBox Err.Number & " - " & Err.Description
    Resume finished

End Sub

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Author Comment

ID: 33505583
Thanks.  It works great on the "test" line.  But the rest of the sheet is unaffected.  What am I missing?
LVL 24

Expert Comment

ID: 33506400
The values are already filled in.  This code is triggered when you enter a new value in column L.  So either protect the cells now for each line that already has a value, or remove the initials and then re-add them back in and the code will execute for each one.

Author Comment

ID: 33506605
I see.  So, going forward it will lock new data.  Existing data I can manually lock.  Do I understand you correctly?
LVL 24

Expert Comment

ID: 33521099
Yes, that's correct.

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