VBA - How To Write A Sub To Prevent All Changes To WorkSheet

Feb 28, 2014

How do I write a sub to prevent all changes to a worksheet?

This is part of my thinking in covering all possible mishaps that could occur when working with sheet movement. If I could somehow introduce an active protection on either my Sheets(1) or Sheets("Main"), then I could prevent accidental writing to or removal of said sheet.

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I managed to write my script with pretty much the info I could find on the forums (yes!) but I need to write my data to the last row. Columns A - D of the last row will be populated with the content of my variables. This little snipped gives me the first empty row:

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In a previous thread I was told I might need to write an API to help me with achieving this. First of all, what is an API? Secondly, how do I go about writing one?

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Dec 1, 2009

I have two userforms. The 1st is called “add a facility” and the second is called “Edit Facility”.
The first userform works pretty well. It places all the data in the right columns in the first empty row at the end of the table. Then the “sort” procedure places the “new” facility data in the right category. Everything is good there. Here's the code.

Private Sub CmndInput_Click()
Dim iRow As Long
Dim ws As Worksheet
Set ws = Worksheets("Facilities")

' find first empty row in database
iRow = ws. Cells(Rows.Count, 2).End(xlUp).Offset(1, 0).Row

'check for a Facility
If Trim(Me.TextFacility.Value) = "" Then
Me.TextFacility.SetFocus
MsgBox "Please enter a Facility"
Exit Sub
End If

'copy the data to the database
ws.Cells(iRow, 1).Value = Me.ListBox1.Value
ws.Cells(iRow, 5).Value = Me.TextFacility.Value
ws.Cells(iRow, 4).Value = Me.ListBox2.Value
ws.Cells(iRow, 6).Value = Me.TextType.Value
ws.Cells(iRow, 7).Value = Me.ListBox3.Value
ws.Cells(iRow, 12).Value = Me.TextConstneed.Value
ws.Cells(iRow, 16).Value = Me.TextPREAPP.Value
ws.Cells(iRow, 17).Value = Me.TextPreapsub.Value
ws.Cells(iRow, 3).Value = Me.TextDescription.Value
ws.Cells(iRow, 8).Value = Me.ListBox4.Value
ws.Cells(iRow, 9).Value = Me.ListBox5.Value
ws.Cells(iRow, 2).Value = Me.txtRefnum.Value
ws.Cells(iRow, 21).Value = Me.txtappdate.Value
ws.Cells(iRow, 24).Value = Me.ListBox6.Value
ws.Cells(iRow, 20).Value = Me.txtsubdate.Value
ws.Cells(iRow, 10).Value = Me.ListBox7.Value

' SORT Macro...

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Aug 9, 2007

I am trying to write a macro that will insert a formula directly into the cells in column M of my worksheet.

The worksheet has about 3400 rows. When I run the macro it does not adjust the cell reference in the formula so I am getting the same value in all 3400 rows.

I am using the following ....

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Jul 9, 2014

I use a few Functions in my VBA code. All these functions, are declared as "Public", and reside in a single module. However, they are called from many different modules during code execution. (i.e. many functions called from many modules - hence the "Public" declaration).

My issue is that in addition to being available to different VBA Modules, these Functions are also available on the worksheet as a UDF (so if a user presses "=" in the formula bar, the auto-complete shows these functions when the first characters match). Is there a way to remove the availability of the function on user worksheet? i.e. to allow a Function to be called from different modules in VBA, but prevent it from being available on the worksheet.

My current work-around is to prefix all Public Function names with letter "j" - as no excel formula seems to begin with it - none of them show up as auto-complete options. Nevertheless, the Functions are still available to the user - which is what I would like to prevent.

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Aug 7, 2009

An old post provided the following macros that purportedly prevent users from deleting a worksheet. Unfortunately, it also makes it so you can't delete ANY worksheet in ANY file, which is of course not what was intended. Need figure a way to remove this nuisance? All attempts to delete a sheet keep looking back to the offending workbook, even though the macro has since been deleted from it.

Try pasting the following two event procedures into the Help sheet module:

'==========================>>
Private Sub Worksheet_Activate()
Dim CB As CommandBar
Dim Ctrl As CommandBarControl
For Each CB In Application.CommandBars
Set Ctrl = CB.FindControl(ID:=847, recursive:=True)
If Not Ctrl Is Nothing Then
Ctrl.OnAction = "RefuseToDelete"
Ctrl.State = msoButtonUp
End If
Next
End Sub................

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Aug 18, 2007

I have a workbook for which I would like to protect the worksheets, while still allowing my code to alter the worksheets, which can be done with the line:

Sheet1.Protect Password="abc" UserInterfaceOnly:=True

However, I want allow some users (who know the password) to be able to unprotect the sheet if they need to edit it, then turn the protection back on after they are done. How can I make sure that they use my macro to protect the sheet with UserInterfaceOnly set to true, rather than the standard way to turn on protection?
That is, is there a way I can prevent the user from being able to protect the sheet with the Tools->Protection->Protect Sheet menu item?

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Oct 19, 2007

I have an excel sheet embedded in a Powerpoint presentation, but I have the problem that users are editing the sheet and accidently or unknowingly scrolling around. This results in the window resizing itself when the exit the object and messing up the appearance of the presentation. Is there a way of easily preventing scrolling (either via VBA or other)? I can obviously hide the scroll bars but that does not prevent the use of the mouse's scroll-wheel. I have also already hidden all unused columns and rows so that they cannot oversize the window.

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Aug 3, 2006

I work in a correctional centre. Some of the correctional officers have
little training to use Excel or other programs, but are required to complete
spreadsheets on line. Although we have heavily protected the worksheets and
locked cells, we find that in some cases the staff can still mess up the
worksheets by copying and pasting data inappropriately.

Is there a way to turn off the ability to paste data into the worksheet, and
to force each field to be completed manually? This would eliminate the
problem.

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Dec 27, 2006

I have a worksheet thats makes things easier by sorting to users needs. heproblem I have is I have totals in columns p:AJ rows 1:3. How can I prevent the user of sorting the whole worksheet. Most of my users have basic Excell understanding so sorting is usually the whole page. I've tried hiding and protecting the columns but must be doing some thing wrong. I just need them to only be able to sort column A:N. I'm already working on moving totals to a separate sheet to I know this will work but curious for future worksheets.

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I have a spreadsheet which I'm using as a log-in front for a series of other workbooks. The usernames and passwords are stored hidden cells within a "very hidden" worksheet. The workbook is protected and VBA code itself is password protected.

In short no-one can directly view the passwords (unless the password to unprotect it all is known.

What I have found is that someone can use a formula to reference the cells containing the user details. "=a1" for example.

Is the a method hiding the contents of a cell from excel itself? I want the vba script to be able to see the value, but any "=a1" formulas to return a blank.

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Jun 12, 2009

I have a entry form in which i want to register customers. the first field is the customer number (which is unique(created by me) for every customer). This is TextBox 1 in the document. I would like to search for duplicates in worksheet 2, collumn A, when pressing "enter" to move from TextBox 1 to TextBox 2. A search for duplicates should start and a message should appear " duplicate found" if found, otherwise continue to TextBox 2 for further entry of information.

Please see my attached document for clarification.

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Sep 3, 2008

I have the following code that Ger Plante very kindly helped me with which, depending on whether there is an 'x' by someone's name in a list, creates a new workbook, copies some information to it and saves it before moving on to the next 'x'. Loop Through Rows & Copy Each Row To New Workbook

For lLoop = 2 To 251 'first row of data to last row.
If ws1.Cells(lLoop, 4).Value = "x" Then '4 = Column D
ws1.Activate
ws1.Range("e" & lLoop & ":g" & lLoop).Copy
ws1.Range("B1").Select
Selection.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone, SkipBlanks:=False, Transpose:=True
Rng1.Copy
Workbooks.Add
ActiveSheet.Range("A1").Select
Selection.PasteSpecial Paste:=xlPasteAll, Operation:=xlNone, SkipBlanks:=False, Transpose:=False
Selection.PasteSpecial Paste:=xlPasteColumnWidths, Operation:=xlNone, SkipBlanks:=False, Transpose:=False
ActiveSheet.Range("A1").Select
ActiveSheet.SaveAs varPath & "Student Data Files" & ActiveSheet.Range("B1") & ".xls"
ActiveWorkbook.Close

Else
End If

Next lLoop

how I can modify the code such that any cells in the range "b1:b504" in Sheet1 of the the new workbook can't be selected or edited without a password....I have tried unsuccessfully using Protect but am not sure how to get vba to set it to specific cells and determine exactly what is allowed in those cells.

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Jan 14, 2008

I'd like the users to be able to change some detail in a couple of places and have it updated throughout the spreadsheet. Basically, the user can change the line name in any of the input sheets and the code changes the sheet name, and searches for the reference to the old name in the overview sheet and changes it accordingly.

The problem I have at the moment is that I would also like the user to be able to change the line name from the overview sheet too... I am having trouble thinking how to have similar code in the "Overview" sheets Worksheet_Change event without getting into a big constant loop... e.g. if the line name is changed via code on the individual input sheets won't that then trigger the first code, which will trigger the second etc. etc. I have the following code in the ThisWorkbook section:

Private Sub Workbook_SheetChange(ByVal Sh As Object, ByVal Target As Range)
Dim sName As String
Dim sOldName As String
Application. ScreenUpdating = False
sOldName = ActiveSheet.Name
If Target.Address <> "$B$1" Then Exit Sub
sName = ActiveSheet.Range("B1")
On Error Goto ErrorHandler
ActiveSheet.Name = sName
On Error Goto 0
Sheet8.Select 'this is the overview sheet
Cells. Find(What:=sOldName, LookIn:=xlValues, _
LookAt:=xlPart, SearchOrder:=xlByRows, SearchDirection:=xlNext, _
MatchCase:=False, SearchFormat:=False).Activate........................

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I basicaly need to look down column Q8 to Q52 for the falue "C19"
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I have the formula that follows and it works, however it is huge. I have to repeat the IF,Vlookup 44 times. Just wondering if there is a better way.

Here is the formula I am using.

=SUM((IF(Q8="C19",(VLOOKUP(O8,clusterequipmentvalues,2,FALSE)),0)),
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The range is hidden and unhidden perfectly, but the value "1" is written and doesn't change regardless of whether it is hidden/unhidden. (the value flicks momentarily to "0" when unchecking).

Code:
Private Sub cbTermPrev1_Click()
If cbTermPrev1.Value = True Then Range("Term_Prev1").EntireColumn.Hidden = False
Range("HiddenValPrev1").Value = 0
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A
B
C
D

1
x
y
z

2
Commission
1000
1000
500

[Code] .......

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