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Design? look up filter? Help

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    Design? look up filter? Help

    I have a database that records New Sales Orders.
    Ord head table records the customer information.
    Ord Line table records the line items
    They are both joined together in a set using Ord Num as the parent link, Ord Head table being the parent.

    I have then created a form to enter orders

    I have also a product table, which records products and marries them to customers

    When I arrive at the Product N0 field in the Ord Line table I would like to only look up products that have the same Cusd Id as the Cusd ID field in Ord Head table.
    How can I achieve this as field�s rules only allow me to specify filters for that specific table.

    Any help would be appreciated.

    I have three tables
    Ord Line Fields Ord N0, Product N0,
    Ord Head Fields Ord N0, Custd ID
    Product Fields Product N0

    RE: Design? look up filter? Help

    I understand ver5 will give you this capability. The V5 beta users will correct me if I am wrong. Until then, what you want to do is possible, it just requires some work. I have an app where I needed to do a lookup from a set. Similar problem in that I couldn't do this with field rules. I worked around this by using the object events on a form to popup a separate dialog form based on the set. This form looks like a A5 lookup browse and can be opened with a query to restrict records to want you want to display. Then I used variables to pass values from the main form to the dialog and back again.

    Place a script on the Product No field's CanArrive event so the lookup would occur if the field is blank. In your case, create and open a dialog form based on the Product table. Pass the Custd ID value from the Ord Head to a variable and use it to make a query to restrict display to the records you want. Open the form as a dialog to select the values you want and pass these values to variables. When you close the form, the calling script will resume. Close the dialog and pass the variable values to the field. I also placed a small button beside the field object with a little arrow to allow the user to open the dialog if a value is already entered.

    The end result is that it looks and works similar to a regular A5 lookup. It's just a lot more work. I prefer to specify the lookup in field ruiles if possible.



      RE: Design? look up filter? Help


      "When I arrive at the Product N0 field in the Ord Line table I would like to only look up products that have the same Cusd Id as the Cusd ID field in Ord Head table.
      How can I achieve this as field�s rules only allow me to specify filters for that specific table...."

      To do that, the Product DB would have to contain a field for the Cust ID updated each time it is listed on the order. This would be a 'moving' target as I assume different customers might order the same product. Don't think you can do it, but it might be interesting to see other answers.

      Ken the newbie


        RE: Design? look up filter? Help

        David and Jerry Brightbil:

        Jerry - would you look at the times of both out posts - SECONDS apart. What you've done is quite clever - does it work quickly?

        Ken the Newbie


          RE: Design? look up filter? Help

          I think the speed of the query would be the only limitation. I don't have a query for the dialog and it pops up instantly.