Enter a formula in worksheet using VBA

Dear Experts:

My current workbook has several worksheets.

On the first worksheet named 'MainSheet' (current worksheet) ...
... I need to enter the following formula into 'B20' using a VBA macro.


The requirements:
1) The Name of 'MyCustomSheetName' worksheet is variable, i.e. this name is to be taken from the cell value of 'A17' of the 'MainSheet' worksheet. If the cell value of 'A17' is blank, the macro has to say so and will exit.

2) The range of the sum always starts at G5 but the End Range Value varies, i.e. it could be $G$5:$G$3574 or some other End Range value.

Help is much appreciated. Thank you very much in advance.

Regards, Andreas
Andreas HermleTeam leaderAsked:
Who is Participating?
Dale FyeConnect With a Mentor Commented:
You will need to build the string to assign to the formula programmatically.

You would first need to check to see whether the value of 'MainSheet' cell A17 is blank

strSheet = ActiveWorkbook.sheets("MainSheet").Range("A17").Value
if strSheet = "" Then Exit Sub

To get the last row used in a column, you can use code similar to:

LastRow = Activesheet.Range("G65000").end(xlup).row

Then you would build the formula string

strFormula = "=SUM('" & strSheet & "'!$G$5:$G$" & LastRow & ")"
ActiveWorkbook.sheets("MainSheet").Range("B20").Formula = strFormula

String all of that together in a macro, subroutine, or function to get what you need.
Alexander Eßer [Alex140181]Connect With a Mentor Software DeveloperCommented:
If you want to add formulas to your sheets using VBA, "just" put them into the "Formula" property of the corresponding Cell/Range object(s), as shown here:
Rgonzo1971Connect With a Mentor Commented:

pls try

Sub Macro2()
srcSht = Sheets("MainSheet").Range("A17").Value
If srcSht = "" Then
    MsgBox "No Sheet choosed:  Exiting..."
    Exit Sub
End If
Set myRange = Sheets(srcSht).Range(Range("G5"), Range("G" & Rows.Count).End(xlUp))
Sheets("MainSheet").Range("B20").Formula = "=SUM('" & srcSht & "'!" & myRange.Address & ")"
End Sub

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Just can use the formula indirect is okay


Put    'MyCustomSheetName'!$G$5:$G$259  on somewhere ....
Andreas HermleTeam leaderAuthor Commented:
Hi Rgonzo: Thank you very much for your swift and professional support. I am afraid to tell you that your code throws an 1004 error message and the error trapping says that the range is not created on the 'srcSht' Worksheet but on the main Sheet. Any idea why?

Hi Dale: your code works great. Thank you very much for it.
Dale FyeCommented:
glad to help.
Andreas HermleTeam leaderAuthor Commented:
Dear All,

thank you very much for your great support. I can use parts of all the answers and integrate it into my final code. Thank you very much for your professional help.

I really appreciate it.
Regards, Andreas
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