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Using Between Operator when control is blank

  1. #1
    Join Date
    May 2019
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    26

    Using Between Operator when control is blank

    Hi,
    I'm using a query that has 6 possible parameters for filtering. One of the filters is a date range with start and ending dates. The date range works fine by itself or when other parameters have values. But if the user enters a value into another control (parameter) and leaves the date range blank the query finds 0 records. Here is my experience with the criteria I have tried.

    1. Between [Forms]![Send Letter]![StartDate] And [Forms]![Send Letter]![EndingDate] THIS WORKS



    2. Like "*" & [Forms]![Send Letter]![StartDate] & "*"- JUST ENTERING THE START DATE AS AN "EQUALS THE DATE" and THAT WORKS

    3. Between Like "*" & [Forms]![Send Letter]![StartDate] & "*" And Like "*" & [Forms]![Send Letter]![EndingDate] & "*"
    BUT THAT TELLS ME I MAY BE MISSING A COMMA when I try to save the query.

    Any thoughts. I can't do VBA and I believe some variation of this should work.

    Jeff

  2. #2
    June7's Avatar
    June7 is offline VIP
    Windows 10 Access 2010 32bit
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    Supply an alternate value when control is Null.

    Between Nz([Forms]![Send Letter]![StartDate], #1/1/1900#) And Nz([Forms]![Send Letter]![EndingDate], #12/31/2199#)

    Why can't you do VBA? http://allenbrowne.com/ser-62.html
    How to attach file: http://www.accessforums.net/showthread.php?t=70301 To provide db: copy, remove confidential data, run compact & repair, zip w/Windows Compression.

  3. #3
    Join Date
    May 2019
    Posts
    26

    Alternative value

    Quote Originally Posted by June7 View Post
    Supply an alternate value when control is Null.

    Between Nz([Forms]![Send Letter]![StartDate], #1/1/1900#) And Nz([Forms]![Send Letter]![EndingDate], #12/31/2199#)

    Why can't you do VBA? http://allenbrowne.com/ser-62.html
    ’’

    First, thanks for the response.
    Second, what is Nz
    Thirds, I don’t have time to learn VBA. But thanks for asking.

  4. #4
    Join Date
    May 2019
    Posts
    26
    I entered everything you said in the criteria field and on saving I get a message that “The expression you entered has an invalid date value”. I reasearched this on line and it appears to be the right syntax.

    ????

  5. #5
    Join Date
    May 2019
    Posts
    26
    Ok, I got past the “invalid date” part and it saves. I just had a couple of characters wrong. However, I’m still getting No Records.

  6. #6
    Join Date
    May 2019
    Posts
    26
    I'm not sure what happened but I wrote the "code" one more time and everything worked. This has been solved per your earlier reply on using Nz.
    Thanks again
    Jeff

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