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Sets- look ups

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  • Sets- look ups


    I have defined a set of 2 tables (both active link SQL tables) with a 1 to 1 relationship. Basically i want the user to select from a list a value from the second table, ie conference is the parent and venue is the child table, so when the user puts in a new conference they then pick from the venue table where it is to be held.

    I have defined all this but on the form, albe it it shows the arrow on the fiield no list is shown, any ideas?


  • #2
    Re: Sets- look ups

    You need to build the relationship prior to displaying the set on a form. A field linking to the venue must be in the conference table. It could be a lookup to the venue table. Once selected, then the link will be established, and you can display the conference and venue. I am assuming that you have a key field in the venue table. You must have something in the conference table that references this field.



    • #3
      Re: Sets- look ups


      I have built the relationship in the set. ie venuecode(conference table) 1 to 1 relationship with code(venue table).

      on the form it shows in the venuecode field like a drop down but nothing is there.



      • #4
        Re: Sets- look ups

        Does the field venuecode in the conference table contain anything? Or, are you trying to select a venuecode to add to the conference table?

        If it is the latter, then you need to open a form with ONLY the conference table in use, having the venuecodeas a lookup field. Once selected and saved, you can show the conference and venue set in whatever format you like.

        Remember, the link cannot be established until the common field is in BOTH tables.



        • #5
          Re: Sets- look ups

          Florian, it sounds to me as though you're building a set in order to do a lookup. If that's right, I question why a set is necessary? I may be revealing how little I know about active link tables, but with native AlphaFive tables it's not necessary for the lookup source table to be linked in a set to the target table being populated by the user. The table lookup field rule often works better if the source lookup table is NOT in the same set that contains the table being populated by the user. Please ignore this post if such a set IS in fact necessary because you're using SQL data.


          • #6
            Re: Sets- look ups


            Can you explain, a little more how best to do that?



            • #7
              Re: Sets- look ups

              With native Alpha Five tables you'd define a table lookup field rule. Is this not possible with your active link tables?


              • #8
                Re: Sets- look ups

                thanks i will play with that, me thinks me was over complicating that!!!