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Calculated field on form vs. table field?

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    Calculated field on form vs. table field?

    What is the exact advantage to using a calculated field on a form as opposed to putting a field in your table. For example, on my invoice form, I have browse total, discount amount (derived from cust table, field disc amt), amount before shipping, shipping, and grand total. My commisions to sales people are based on the discount rate given to the customer. For example, if cust discount is 8%, commision is .10 of browse total. I'm finding it much easier to just post each line item to the inv header table and make the rest of the calculations from there. Shipping is manually entered on the form, so the grand total doesn't get calculated until it is entered, which then must be posted to invoice table so I can keep track of partial payments. Besides slowing things down, is there any other advantage to not having those fields in the inv header table itself. We only have about 8-10 users logged on at one time.

    Frank

    #2
    Re: Calculated field on form vs. table field?

    I've just realized that doing that way, if I edit the ext field in the browse, which is the field that posts to the inv header table, it does not update. I guess because "undo on delete" technically didn't delete the record. It just changed it. Is there a way around this?

    Frank

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      #3
      Re: Calculated field on form vs. table field?

      Originally posted by Frank Calandro View Post
      I've just realized that doing that way, if I edit the ext field in the browse, which is the field that posts to the inv header table, it does not update. I guess because "undo on delete" technically didn't delete the record. It just changed it. Is there a way around this?

      Frank
      Once you understand that everything happens in response to an event, you are on your way to picking the appropriate event to drive your application. The browse has no events that will help here. You'll have to look to the field rule record events to find something like

      Event Name--------------Occurs

      OnSaveRecord------------After saving a record.
      There can be only one.

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        #4
        Re: Calculated field on form vs. table field?

        Yeah. I'm way newbied. Still learning. Thanks. I'll investigate.

        Frank

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