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Summary Operation

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    #1

    Summary Operation

    I have a form that executes a summary operation on init of the form. It work fine except that the last transactions (i.e. transactions that are entered after that last summary are not included in the 'new' summary.) Entry into the form twice cures this problem but I am stumped as to why it's not happing on initialization of the form. Any suggestions would be appreciated. Bill
    Tags: None
    #2
    RE: Summary Operation

    Bill,

    I think the Oninit event fires only once. The first time the form is loaded. If you are expecting it to fire each time new records are added it won't. It only fires when the form is first opened, so the script stored there which calls your saved summary operation only runs once.

    If you want the script to run each time the user returns to the form try the OnActivate event for the form.

    If you want the script to run each time a record is saved, try the OnSave event for the form.

    I don't have much experience with summary operations, but would hesitate to adopt any design which automatically requires Alpha Five to fetch all the records in the table and process them each time a change is saved to the table. I would not want to take the performance hit that's likely to cause. Instead, I'd think of running it once, when the form first opens, and then using a variable to keep track of changes during the current session. That's my two cents, worth.

    -- tom

    Comment

      #3
      RE: Summary Operation

      Hi Tom
      I get the same results with onactivate too.

      Comment

        #4
        RE: Summary Operation

        Tom some background to help
        this application calculates epa data
        three db's of concern...
        paint data (used to retrieve specific data on each type of paint)
        usage header (used to store not only date, etc but totals from calculations from usage detail)
        usage detail (used to store / calculate line item data)
        I that need to do further calculations on the header db (which holds daily totals posted from detail db) and summarize them into monthly totals which of course require more calculations.

        Comment

          #5
          RE: Summary Operation

          You may not be leaving the form to do data entry, so the form is always 'active'. OnActivate isn't firing, I guess.

          Do you want to run the summary after each record save? Try OnSave event of the form. (I have misgivings about this approach, as earlier stated.)

          -- tom

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