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Global variables - can't see them

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    #1

    Global variables - can't see them

    I have declared a set of global variables.
    I am using them when reading a record in "Change" mode, before the record is modified, so that I can refer to them when saving the record. The purpose is to maintain a summary record in another file, a single record for each like group of records. (Group is purchase order #, which may have multile addendums.)

    I have a button "Change" which puts the record into change mode, but first reads the record into the global variables.

    I have a "Save" button which commits the save, then attempts
    to use the global variables to modify the summary record by the net of the "old" value and the new value.

    When the routine attempts to use the "old" variables, the routine aborts with " old.qty" not found -- but I can see variables, and the "old" quantity in the explorer.

    I have tried using both var->old_qty and old_qty, the problem occurs with both.

    Am I missing something, or is this a bug ??

    Thanks for any help
    Lowell
    Tags: None
    #2
    RE: Global variables - can't see them

    Check your script carefully for spelling. If you indeed get the message " old.qty" not found, you may have used "old.qty" somewhere you meant to use "old_qty". "Old.qty" would seem to refer to a pointer "old" and a property "qty".
    There can be only one.

    Comment

      #3
      RE: Global variables - can't see them

      Stan, I have extensively checked the spelling of the variables, there are no mistakes. I have even drug the names over from the explorer window.

      What is puzzling to me, is that the first operation (the "change") reads the same set of global variables, and the variables and their quantities are visible in the explorer, yet, when you attempt to retrieve them, they are not "visible" to the procedure.

      Anybody got any ideas ?

      Lowell

      Comment

        #4
        RE: Global variables - can't see them

        In your script did you declare the variables?
        Such as:
        dim global old_qty as n
        -Barry

        Comment

          #5
          RE: Global variables - can't see them

          Barry, the variables were created in the "variable list" pulldown from "Forms/variables" in edit mode.

          It is my understanding that global variables need not be
          explicitly dimensioned in the script. In the first script,
          this works. The globals are refered to by name, and work as
          intended.

          In the second script, they do not. I had previously tried
          dimensioning them (in the second script), it made no difference.

          Later today, I will re-load A5 and see what happens.

          Thanks

          Lowell

          Comment

            #6
            RE: Global variables - can't see them

            It seems unlikely you need to reload A5 and more likely the answer is as suggested above. You may also find it helps to access the variables option on a form, assuming you're running the script from a form.

            Comment

              #7
              RE: Global variables - can't see them

              Reloaded A5v4.0, upgraded to 4.5, loaded the patceh.

              No change.
              However, I could see that some globals entered before all
              this took place, were working fine.

              I then observed that in the explorer, some of the variables
              were duplicated (there ar 60 variables).

              Deleted all global variables, ran a compact, and starting re-entering the variables in the variable list. Works like a champ.

              The variables do not have to be declared (dimensioned)in the scripts, and do not have to be addressed as
              var->some_thing, just as some_thing.

              Looks like the app got scrambled.

              Thanks for your comments

              Comment

                #8
                RE: Global variables - can't see them

                Tom, I really don't understand what you mean by "accessing the variables option on a form". Could you explain further ??

                Lowell

                Comment

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