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Want to "cascade" field rules.

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    Want to "cascade" field rules.

    I have a table which uses field rules lookup to enter info to some of it's fields from another table.
    I want to use one of the fields filled in by the lookup as a link in a second lookup, kind of cascading lookups.

    Table (a) uses a link field to lookup info from table(b) and fill some fields, including a field "maqtype".
    I then want to use the "maqtype" field in table (a) as a linking field in another lookup from another table, table (c)
    I am trying alternatives, but cannot seem to quite get it.

    Any help will be appreciated.


    RE: Want to

    Brian, do you want to display a popup list of choices for the user with the table lookup field rule? or, do you want to have Alpha Five automatically retrieve a single value using the value that got 'filled in' as the search key? More details please.

    -- tom

    p.s. Did you get the prevent duplicates thing straightened out? We didn't hear back from you.


      RE: Want to

      Thanks for the response.
      I don't want to display a popup list. I want to fill in the field(s) from a table.
      I want a table(a) to be filled in by looking up info from another table(b), one of those fields of table(b) then gives linking to table(c) to fill in other field of table(a)
      Situation is this:
      Table (a) is a contract for our tool rental co.
      Table (b) is a list of individual machines.
      Table (c) is a list of accessories used be each type of machine.
      By entering the individual machine number, lookup rules fill in the details, from table (b), of that individual machine, (type,serial no, etc) and also department number, ie type of machine.
      That part works great now, with your and other's help.

      The department number is my problem; I want to use that to fill in other information by look up rules from another table(c). That will fill in other fields in table(a) giving info of accessories for that type of machine.

      We have several machines of each type, the machine serial numbers etc, are different for each type, but the accessories are common for all machines of that type.

      Thus just by filling in one machine number on the contract form, all the info of the machine is filled in on the contract.

      I have tried to do it using variables, but so far the only way of making the lookup work I have found is to enter manually the department(type) number. Entering manually the type number makes the accessories lookup work ok, so I guess that part is correct.

      Hope that explains things a bit.

      yr P.S.
      I added to the thread yesterday, after seeing your kind attachment. Unfortunately the fields I want to use are numeric. I may try to use a kind of search and advise/reject based on searching on one field first then the next to advise/reject if found, or something like that.
      I just thought there might be a simpler way/function. Or maybe I will just let the double entries happen and do a "clean up" once in a while.

      As always, Thankyou a lot for your time and skill