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Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

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    Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Hi,

    I would like to check the format of dates entered or pasted into a Excel Spreadsheet column with VBA code.
    The date format must be DD/MM/YYYY. A message box should appear if any invalid data is found and the option to clear the individually cell with the bad entry or cancel the entire input provided.

    This issue same as the following question. But, onlty difference is, in here date format should be "DD/MM/YYYY".

    https://www.excelforum.com/excel-pro...-vba-code.html

    Could you please provide the VBA code for me to test?

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Try this:

    usage: ValidateDate ActiveCell.Text


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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Thank you. Could you please send me the excel file.

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    It is shown a Run-time error '13'. Could you please send me excel file.

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    If I add date as "2019-09-12", it is shown a debug error. Could you please help me to find this error.
    Also, if I add "10/25/2017", it is not validated. I need to validate while entering any incorrect format. Thanks.
    Last edited by inoka; 12-12-2017 at 01:38 AM.

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    try:
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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Hi ikboy,
    Thanks for your reply. but, it's not working. could you please help me to find the solution by improving initial code. It's working with some scenarios. but, it's not validated with "2019/09/21", "2019-08-23", "2/08/018" and "2/9/2018".

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Quote Originally Posted by inoka View Post
    "2019/09/21", "2019-08-23", "2/08/018" and "2/9/2018".
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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Thanks jindon.
    But, It's not fulfilled my requirement. I want following validations.
    * Date format should be in "DD/MM/YYYY"
    * "DD-MM-YYYY" should be invalid format
    * "DD.MM.YYYY" should be invalid format
    * "D/M/YYY" should be invalid format
    * "YYYY/MM/DD" should be invalid format
    * "YYY/MM/DD" should be invalid format
    * "YYYY-MM-DD" should be invalid format
    * "YYYY.MM.DD" should be invalid format

    Should be accepted only the "DD/MM/YYYY" format as valid format. all other formats should be rejected. Also, date and month should be validated for number of days "30" and "31". In addition to that February month only for "28" and "29" days.

    If you could enhance following code, it will be easy. because, already it has validated some validations. Thank you so much for your great help.

    Function ValidateDate(ByVal pvDateCode) As Boolean

    Dim D As Integer
    Dim LeapYear As Boolean
    Dim M As Integer
    Dim Result As Boolean
    Dim Y As Integer, i As Integer
    Dim sDte As String, sPart As String

    'If Not IsNumeric(pvDateCode) Then Exit Function

    sDte = Format(pvDateCode, "dd/mm/yyyy")
    i = InStr(pvDateCode, "/")
    If i = 0 Then
    MsgBox "Invalid date"
    Else
    D = Left(sDte, i - 1)
    sPart = Mid(sDte, i + 1)
    i = InStr(sPart, "/")
    M = Left(sPart, i - 1)

    i = InStrRev(sDte, "/")
    Y = Mid(sDte, i + 1)
    End If

    If M > 12 Then Result = False: GoTo endit
    If Y < 1900 Then Result = False: GoTo endit

    LeapYear = (Y Mod 100 <> 0 And Y Mod 4 = 0) Or (Y Mod 400 = 0)

    Select Case M
    Case 1, 3, 5, 7, 8, 10, 12
    If D >= 1 And D <= 31 Then Result = True
    Case 2
    If LeapYear Then
    If D >= 1 And D <= 29 Then Result = True
    Else
    If D >= 1 And D <= 28 Then Result = True
    End If
    Case 4, 6, 9, 11
    If D >= 1 And D <= 30 Then Result = True
    End Select
    'endit:
    'If Not Result Then MsgBox "Format: dd/mm/yyyy"
    'ValidateDate = Result

    endit:
    ValidateDate = Result

    End Function

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Then change the pattern
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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Thanks jindon.

    It's not working. could you please send me excel file.

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    It's not working.
    This doesn't help at all.

    How is it not working???

    It is working for me.

    YOU attach your file, so that I can install.

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Thanks for your reply.

    When user enter above mentioned invalid date format, it is required to shown an error message.

    But, this is not fulfilled that feature. However I have attached my excel file in below.
    Attached Files Attached Files

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Hi,

    Could you please help me to improve following attached excel sheet for my validation. It has included debug error examples. I need to allow only for the "DD/MM/YYYY" date format.
    Highly appreciate your response and Thank you.
    Attached Files Attached Files

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    So, you didn't know how to adjust...

    Change any cell(s) in Col.A, B
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    Attached Files Attached Files

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Thank you so much. It;s working. . could you please explain me, from where it is maintained column name.
    ex: If i need to validate it for columns "D","E",and "G", where do I need to change?

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Try change to
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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Thank you so much for your reply. I can not understand what is the method to apply it for desired column. I need to apply it for following columns.

    M, T, U, Z, AB, AC, AD, AH, AI, CS, CT

    Also, I need to validate it only 2 numbers for Date and 2 numbers for Month. and 4 numbers for Year. (DD/MM/YYYY)

    If you can upload excel sheet with these validation, it will be great help for me.
    Last edited by inoka; 12-14-2017 at 03:00 AM.

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Also, I need to validate it only 2 numbers for Date and 2 numbers for Month. and 4 numbers for Year. (DD/MM/YYYY)
    What's wrong with the current code?
    You are really confusing us, it only allows dd/mm/yyyy entry as you requested.

    If you are not able to adjust the code, you should ask everything in the first place.
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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Thank you so much. Great... it's working.
    Sorry for inconvenience.

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    If that takes care of your original question, select Thread Tools from the menu link above and mark this thread as SOLVED.

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    There's a some issue. When I enter data value with "0", automatically, it is discarded initial "0" value. Then, it is shown as one digit number and it is displayed as error.

    Ex: when I add date as 04/06/2018, automatically excel converts it into 4/6/2018 and it is shown as invalid data.
    When I add date as 23/04/2019, automatically excel converts it into 23/4/2019 and it is shown as invalid data.

    Everything is working properly, how do I avoid this automatic conversion.
    Last edited by inoka; 12-14-2017 at 07:50 AM.

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    That means the cell is formatted as d/m/yyyy.

    Reset the cell format as STRING.

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    Thank you so much. It's working properly...

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    Re: Check Date Format Input into Excel Column with VBA code ("DD/MM/YYYY" format)

    ..............................
    Quote Originally Posted by jindon View Post
    If that takes care of your original question, select Thread Tools from the menu link above and mark this thread as SOLVED.

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