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Browse and underlying table on different records. How to sync ?

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    #1

    Browse and underlying table on different records. How to sync ?

    I haven't tested this error in v12 but last tested this application everything worked in v12 exactly the same way as V10
    Browse v Table on different records.zipBrowse v Table on different records.jpg
    The problem began with a browse that got confused with records when editing and duplicated odd records data. (maybe that indicated a problem already?)
    So as best practice dictates - do not edit in the browse.,, I Disabled direct enter and editing.
    Using Xdialog to add and edit records the strangest thing occurs - the record pointer in the table is at a different record to the browse viewing it.
    When selecting a record on the browse to edit it writes to a different record in the table. Both records belong to the same correct order but the table mostly remains on the first record when selecting another on the browse.
    Putting a trap in the edit to detect this confirms that this is the problem.

    I attach a stripdown ADB with the one form and a few tables to demonstrate. Modified to its simplest form to replicate the problem.
    If you start the db and open the only form, the browse with this issue is on the COLORS tab, as indicated as in the JPG attached.

    Maybe the root cause can be found but it would suffice meantime if there was a workaround I can use. I am on a contractual beta test deadline for next week.
    This is the last remaining unresolved issue (is it ever?).
    Tags: None
    #2
    Re: Browse and underlying table on different records. How to sync ?

    CanRowChange event refers to a table that's not in the structure supporting the form. Is it possible the row never changes because this event's script is failing?

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      #3
      Re: Browse and underlying table on different records. How to sync ?

      Thanks Tom. That missing table not relevant to the testing but your points made - no silver bullet
      1. this is not a simple example for casual opinion
      2. there is a fundamental problem lower down. I experienced something similar a couple of years ago with items in a quote with first record replicating. it lso involved total(... , grp->

      at the time I tried to replicate that for you to look at at your suggestion (you prob wont recall) but any simple fresh example works perfectly. that one eventually resolved and has been running reliably for years but I couldnt put my finger on which variable combination stabilised it.
      Maybe I'll find out now.
      Strip-down time I guess, remove "on.. events" one at a time and build back up again.

      Comment

        #4
        Re: Browse and underlying table on different records. How to sync ?

        I tested Tom's theory. I put an end statement at the beginning of the CanRowChange event and then do not get the msgbox. I do get teh edit dialog and do get the correct record changed.
        Tim Kiebert
        Eagle Creek Citrus
        A complex system that does not work is invariably found to have evolved from a simpler system that worked just fine.

        Comment

          #5
          Re: Browse and underlying table on different records. How to sync ?

          Hi Tim
          Snap
          I just found that too, agreed, Tom was on the button.
          This is not the first time you bailed me out Tim - I will never forget the auction program in my early days with A5 you gave me a solution to changing a value, while i slept, hours before the first live auction.
          And the auction ran.
          What a great group of people is this - really.

          Comment

            #6
            Re: Browse and underlying table on different records. How to sync ?

            Ray, you help make it so, too, by the help you given to others here. Good luck with your project!

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              #7
              Re: Browse and underlying table on different records. How to sync ?

              Thanks Tom
              I am so well on the way again now, and on schedule with this project.
              I learned a lot from your observation and it explains away a cloud of mystery over why I had strange behaviour with this issue before too. Our kind of folk don't sit comfortable with unexplained behavior. I invested 2-3 hours getting a demonstration of this problem together, wondering if it was, and it was WELL worth it

              - to others out there, having spent over 12 hour messing with this problem first - it is worth the effort preparing when you ask for help. You stand a better chance to get proper attention given to the problem

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