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Pop up message box if duplicate exist

  1. 12-23-2013, 08:29 AM #1
    HerryMarkowitz
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    Pop up message box if duplicate exist

    Hi,
    How can I pop up message box if duplicate exist in A column ?
    I found following code but it is not working.
    Please correct following code.
    Thanks in advance.
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  2. 12-23-2013, 08:36 AM #2
    Leon V (AW)
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    Re: Pop up message box if duplicate exist 

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  3. 12-23-2013, 08:44 AM #3
    jindon
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    Re: Pop up message box if duplicate exist

    Try this
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  4. 12-23-2013, 08:45 AM #4
    HerryMarkowitz
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    Re: Pop up message box if duplicate exist

    Hi Leon V (AW),
    I dont understand your answer.
    Is it possible adding an excel file ?
    Thank you.
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  5. 12-23-2013, 08:52 AM #5
    HerryMarkowitz
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    Re: Pop up message box if duplicate exist

    Hi jindon,
    I dont understand your answer.
    Is it possible adding an excel file ?
    Thank you.

    Note: I dont want Private Sub Worksheet_Change(ByVal Target As Range) issue.
    I want regular procedure...
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  6. 12-23-2013, 09:59 AM #6
    HerryMarkowitz
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    Re: Pop up message box if duplicate exist

    I found following link regarding this issue.
    Solution in following link is using conditional highlighting to show duplicates.
    But I want to show duplicates in msgbox !
    Any idea ?
    http://www.excelforum.com/excel-prog...-column-a.html
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  7. 12-23-2013, 10:16 AM #7
    Leon V (AW)
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    Re: Pop up message box if duplicate exist 

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  8. 12-23-2013, 10:44 AM #8
    mikerickson
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    Re: Pop up message box if duplicate exist

    You could put Excel's vValidation on all the cells of column A with the formula
    =(COUNTIF(A:A, A1)=1)
    _
    ...How to Cross-post politely...
    ..Wrap code by selecting the code and clicking the # or read this. Thank you.
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  9. 12-23-2013, 10:59 AM #9
    HerryMarkowitz
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    Re: Pop up message box if duplicate exist

    Solved...
    http://www.mrexcel.com/forum/excel-q...cations-5.html
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