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  1. #1
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    Using Indirect Function in Sum Formula

    I have a sum formula referring to a cells to add data on various sheets for eg =sum(Oct:Mar!B6) ,=sum(Oct:Mar!B7) etc

    I would like to use an indirect formula to refer to a month name from a drop down list so that the formula to be changed immediate for eg If I want to calculate a value from Oct to Dec , I would select Dec from the Drop down list and the formula would change to = sum(Oct:Dec!B6)
    The starting point would always be Oct for eg = sum(Oct: ....)
    Last edited by RetiredGeek; 2015-04-28 at 15:02. Reason: Added NoParse tags

  2. #2
    Super Moderator RetiredGeek's Avatar
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    Howard,

    The Indirect function does NOT support 3D (multi-sheet range) references.

    I've tried a UDF w/o success. What you may want to try is adding a hidden sheet at the end and then just insert new month before the hidden sheet. Then use a formula with that sheet name as the end and you don't even need the dropdown
    =SUM(Oct:EndSht!B6)

    Test File: HowardC3dSum.xlsx

    HTH
    Last edited by RetiredGeek; 2015-04-29 at 08:07.
    May the Forces of good computing be with you!

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  3. #3
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    Hi RG

    Thanks for your input


    I cannot open up your attachment. I comes up with Invalid attachment specified.

  4. #4
    Gold Lounger Maudibe's Avatar
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    Howard,

    The following code will take the selected value of a combobox and place it in the formula as you described. The formula is in cell A5.

    HTH,
    Maud

    Code:
    Private Sub ComboBox1_Change()
    Range("A5").Formula = "=sum(Oct:" & ComboBox1 & "!B7)"
    End Sub
    HC2.png
    Attached Files Attached Files

  5. #5
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    Hi Maud

    This is perfect

    I have not set up a combobox for a very long time so a bit rusty. Please explain to me how to set up the combobox in your example and linking to the months

    Howard

  6. #6
    Gold Lounger Maudibe's Avatar
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    Howard,

    The months are on a hidden spreadsheet (xlSheetVeryHidden) called "settings" in the range A2:A12. Note the list range in the properties window for the combobox

    HC3.png

  7. #7
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    Thanks Maud

    It has now come back to me on how to set this up. I have set up the months on the same spreadsheet (called months) and linked it to the combo box and changed the properties in listfillrange to months!A1:A12

    I have amended your code to account for other formulas for eg



    Code:
     Private Sub ComboBox1_Change()
    Range("A5").Formula = "=sum(Oct:" & ComboBox1 & "!B7)"
    Range("A6").Formula = "=sum(Oct:" & ComboBox1 & "!B8)"
    End Sub

  8. #8
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    Hi Maud

    I have set up code to change the value based on the month selection which works fine, but have had to manually amend the cell references-see below

    Is there a way to incement the cell reference by 1 in the code?


    Code:
     Private Sub ComboBox1_Change()
    Range("B4").Formula = "=sum(Oct:" & ComboBox1 & "!B4)"
    Range("B5").Formula = "=sum(Oct:" & ComboBox1 & "!B5)"
    Range("B6").Formula = "=sum(Oct:" & ComboBox1 & "!B6)"
    Range("B7").Formula = "=sum(Oct:" & ComboBox1 & "!B7)"
    Range("B8").Formula = "=sum(Oct:" & ComboBox1 & "!B8)"
    Range("B9").Formula = "=sum(Oct:" & ComboBox1 & "!B9)"
    Range("B10").Formula = "=sum(Oct:" & ComboBox1 & "!B10)"
    Range("B11").Formula = "=sum(Oct:" & ComboBox1 & "!B11)"
    Range("B12").Formula = "=sum(Oct:" & ComboBox1 & "!B12)"
    Range("B13").Formula = "=sum(Oct:" & ComboBox1 & "!B13)"
    Range("B12").Formula = "=sum(Oct:" & ComboBox1 & "!B12)"
    Range("B13").Formula = "=sum(Oct:" & ComboBox1 & "!B13)"
    Range("B14").Formula = "=sum(Oct:" & ComboBox1 & "!B14)"
    Range("B15").Formula = "=sum(Oct:" & ComboBox1 & "!B15)"
    Range("B16").Formula = "=sum(Oct:" & ComboBox1 & "!B16)"
    Range("B17").Formula = "=sum(Oct:" & ComboBox1 & "!B17)"
    
    Range("B18").Formula = "=sum(Oct:" & ComboBox1 & "!B18)"
    Range("B19").Formula = "=sum(Oct:" & ComboBox1 & "!B19)"
    Range("B20").Formula = "=sum(Oct:" & ComboBox1 & "!B20)"
    
    
    
    End Sub

  9. #9
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    HI Howard

    ..you have repeated it twice for B12 and B13!

    Try this shorter method:
    Code:
    Private Sub ComboBox1_Change()
    [b4] = "=sum(Oct:" & ComboBox1 & "!B4)"
    temp = "b5:b20"
    [b4].Copy Range(temp)
    ActiveCell.Select
    End Sub
    zeddy

  10. #10
    Gold Lounger Maudibe's Avatar
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    Howard,

    Do you may want the formulas in column A rather than column B as your formulas suggest? Aside from Zeddy's code, this will also work.

    Code:
    Private Sub ComboBox1_Change()
        For I = 4 To 20
            Cells(I, 1).Formula = "=sum(Oct:" & ComboBox1.Value & "!B" & I & ")"
        Next I
    End Sub
    Change to Cells(I, 2).Formula = "=sum(Oct:" & ComboBox1.Value & "!B" & I & ")" if you want the formulas placed in column B instead
    Last edited by Maudibe; 2015-04-29 at 04:44.

  11. #11
    Super Moderator RetiredGeek's Avatar
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    Howard,

    I've fixed the attachment in post #2, sorry about that! HTH
    May the Forces of good computing be with you!

    RG

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  12. #12
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    Thanks Zeddy & Madibe for your input

    Te code works perfectly

    Maud the formulas must be in Column B.

  13. #13
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    Hi RG

    No problem

  14. #14
    WS Lounge VIP rory's Avatar
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    FWIW - and note I do not recommend this as a solution, it's just for information - you can make INDIRECT work with a 3D reference in this situation. See attached.
    Attached Files Attached Files
    Regards,
    Rory

    Microsoft MVP - Excel

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    RetiredGeek (2015-04-30)

  16. #15
    Super Moderator RetiredGeek's Avatar
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    Rory,

    Tricky...Very Tricky!

    You da' MAN!
    May the Forces of good computing be with you!

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