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Update child records

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    Update child records

    I have an order system that was created in Alpha 5 version4. I have the below coding on the 'on depart' button of the ship date field in an order entry screen. I am trying to update the child record's status field. The problem is that it only does the read and update of the first record and does not read any of the other child records. Can any one see what I am doing wrong and why this worked OK with previous versions of Alpha?
    Thanks - here is the code:

    tbl=table.current()
    if cdate(tbl.ship_date)"""".and.tbl.order_status="ENTERED"
    tbl.order_status="SHIPPED"
    parent.commit()
    lines=table.get("order_lines")
    lines.fetch_first()
    while .not. lines.fetch_eof()

    lines.change_begin()
    if lines.line_status ="ENTERED"
    lines.line_status = "SHIPPED"
    end if
    lines.change_end()
    lines.fetch_next()
    end while
    sys_send_keys("{F5}")
    end if

    #2
    RE: Update child records

    Mary,

    Shouldn't

    lines.change_end()

    be

    lines.change_end(.t.)

    ???

    -- t

    Comment


      #3
      RE: Update child records

      You are right Tom. I put that in but it still only updates the first record. I tried the system in Alpha 5 V5 and it works perfectly. This seems so simple!

      Comment


        #4
        RE: Update child records

        If I do not do the change begin and change end it does scroll through all the child records. It only stops when I have the change code in there. Hope this helps for anyone trying to give me an answer.

        Comment


          #5
          RE: Update child records

          Just guessing here Mary but instead of:
          ===================
          lines.change_begin()
          if lines.line_status ="ENTERED"
          lines.line_status = "SHIPPED"
          end if
          lines.change_end()
          lines.fetch_next()
          ====================
          try

          ====================
          if lines.line_status ="ENTERED" then
          lines.change_begin()
          lines.line_status = "SHIPPED"
          lines.change_end(.T.)
          end if
          lines.fetch_next()
          ====================

          I don't know if the "then" will help or the reordering but it's worth a try.

          Finian
          Finian

          Comment


            #6
            RE: Update child records

            Mary,

            My personal preference would be to substitute

            lines = table.current(2) 'assumes child table is in slot 2

            for

            lines=table.get("order_lines")

            in order to get a valid pointer to the child table.

            -- tom

            Comment


              #7
              RE: Update child records

              I tried your suggestion Finian and had the same results. Thanks for trying to help.

              Comment


                #8
                RE: Update child records

                Tom:
                DId your table.current(2) with same results. I am thinking of moving the data out of my order lines table and trying this with new records. Maybe something is corrupted in the table. Of course everything is the same when I try it in version 5, but maybe version 6 is less forgiving.

                Comment


                  #9
                  RE: Update child records

                  Mary,

                  OnDepart event will fire each time focus leaves the field, whether the primary table is in enter, view, or change mode. I'd probably put something like this in the OnChange for the field, or, even better, in the OnSave for the form. In pseudo code for the OnSave.

                  And, if you haven't used debug(1) to see where the script is failing now would be a good time.

                  -- tom

                  Comment


                    #10
                    RE: Update child records

                    Thanks Tom and Finian. I found out the problem. The Order set was somehow bad (I guess). I got this from my client and who knows what happened on his system. I recreated the order line table and copied in the records. I receated a new Order set and everything works fine. It is amazing how version 5 did not have a problem with it and version 6 did. I am sure I will never know why, but it does boether me how somethings work Ok in version 5 and not in version 6. Thansk again.

                    Comment


                      #11
                      RE: Update child records

                      Mary:
                      I beleieve there is a simple solution to your question and a bit of a complicated explantation, but instead of table.get() use table.open(), if it works, I will explain my theory, if it doesn't then my theory is flawed and not worth discussing! Hope it works.
                      Gabe

                      Comment


                        #12
                        RE: Update child records

                        Gabe - The files were fixed but I decided to do your table.open() and see what happens. It does work with table.open() and table.get() works also. Can you tell why 'open' is better than 'get'? I use table.get() alot so if I should be using table.open() instead, that will make my frustation with this bad set I had worth all the tearing of my hair out today.

                        Comment


                          #13
                          RE: Update child records

                          Mary:
                          Before you go bald, here is my theory:
                          In your xbasic, you used "IF"
                          This creates a "query on the fly"
                          In a5v6, alpha saves tose querries
                          when you used table.get(), it opens the same table but it shows it according to the last index or filter which will not reveal all the records.
                          On the other hand, table.open() will open a second instance of the table and will not be affected by that filter.
                          This is just my theory, I do not know how valid it is.
                          Gabe

                          Comment

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