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  1. #1
    WCStarks is offline Competent Performer
    Windows 10 Access 2016
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    Sep 2016
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    314

    Self-Cascading Combo Box

    I have a database, which uses a variety of combo boxes. One particular combo box has become quite lengthy, with 29 entries. These could be categorized into groups. I know this can be implemented by using two separate combo boxes. However, to avoid impacting the associated table and forms, by creating a second combo box, I would like to know if there is a way to create a self-cascading combo box.





    For example:

    Have rows in the combo box use two columns. Have the first column be the categories and the second column be the cascaded choices. The first column would be grouped by category, like in a report, all you would see only the list of categories, until you selected a category, then the list would be replaced by the cascaded list for the category selected. And what gets into the field in the table would be only the target value from the cascaded list.

  2. #2
    isladogs's Avatar
    isladogs is offline MVP / VIP
    Windows 10 Access 2010 32bit
    Join Date
    Jan 2014
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    Somerset, UK
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    5,954
    Even if possible, it will be unwieldy in use.
    Do 2 cascading combos instead
    Colin, Access MVP, Website, email
    The more I learn, the more I know I don't know. When I don't know, I keep quiet!
    If I don't know that I don't know, I don't know whether to answer

  3. #3
    Micron is offline Virtually Inert Person
    Windows 7 32bit Access 2007
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    Jun 2014
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    Ontario, Canada
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    12,737
    What you describe makes me think of a combo whose AfterUpdate event rebuilds the list to show second level items based on the first choice. Now you need a way to reinstate the first list. Reset button? Theory not tested, but I don't see why it couldn't work. It would require more work than adding the second combo, which you didn't seem to want to do. The combo could never be bound to anything. All in all, I agree with the previous answer - just thought I'd throw the idea into the mix.
    The more we hear silence, the more we begin to think about our value in this universe.
    Paraphrase of Professor Brian Cox.

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