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Beyond Cascading Lists

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    Beyond Cascading Lists

    In trying to make a lookup system, I made a model that hopefully is easier to understand than the real thing. Groups => Series => Subseries would work as a cascading lookup if there were fewer entries. A one to many to many set would work if there were not duplications. The enclosed setup actually does work, but it is a real bother to use.

    Maybe I just don't know how to use it - like after Ma gets to Massachusetts, how do you get to Qu for Quincy without scrolling all through the state?

    #2
    Re: Beyond Cascading Lists

    One option would be to set up each of the three fields (Group, Series, Subseries) as separate table lookups. If you define them as "not a drop-down list", you can specify "unique records only", and if you position them as "sticky", you can drag them right next to the field in question, and then they remember where they should pop up next time.

    There is a potential problem of someone only changing one of the three fields, so to help guard against this, in the attached example, I added a couple of events to the fields on the form:
    - OnChange to Group, Series and Subseries, to automatically tab to the next field when changed, and
    - OnArrive to Series and Subseries, to automatically pop up the lookups as soon as the control gains focus.

    Not perfect, I know, but maybe it will help.

    Pete

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      #3
      Re: Beyond Cascading Lists

      Excellent!!!

      The separate table lookups did it. I changed the entry method to accomodate our ladies, who are supposed to enter on purpose and not change by accident.

      The indices baffled me, though, until I saw that A5 was writing them.

      The Phorum comes through as usual. Many thanks.
      Last edited by Sandy Garrett; 10-17-2009, 02:02 PM.

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