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can't get mrecno() to work as report filter

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    #1

    can't get mrecno() to work as report filter

    Hello,
    Continuing my travail with reports. In a very simple report (based on table or set) using the expression: mrecno()
    Tags: None
    #2
    RE: can't get mrecno() to work as report filter

    Jim,

    I can confirm this doesn't work. I've tried several variations (including creating a calculated field for the report to hold mrecno()) without success.

    The group break described in the example for mrecno() does work and the mrecno() can be printed on the report....
    but it will not work in a filter.

    If you use the expression builder for the report and type in mrecno() and evaluate it, the number seems not to change.

    Stan
    There can be only one.

    Comment

      #3
      RE: can't get mrecno() to work as report filter

      I was able to get the function to work just fine with the Products by Vendor report in the Sample Invoice Application. Using the Filter Expression of the Detail Properties, both mrecno()

      Comment

        #4
        RE: can't get mrecno() to work as report filter

        That would correspond with my usage. We don't have any tables with one to many links to "live" test.

        Stan
        There can be only one.

        Comment

          #5
          RE: can't get mrecno() to work as report filter

          Thanks Tom and Stan,

          Interesting, I have tried with both sets and single tables. I was also able to get it to 'work' by using large numbers, such as mrecno()

          Comment

            #6
            RE: can't get mrecno() to work as report filter

            Jim, the docs suggest that this function is intended for sets that have composite records... The implication is that it should not necessarily be used for tables, alone.

            Do you have any sets, with 1:N links that misbehave using this function?

            -- tom

            Comment

              #7
              RE: can't get mrecno() to work as report filter

              Hi Tom,

              >>Do you have any sets, with 1:N links that misbehave using this function?

              Comment

                #8
                RE: can't get mrecno() to work as report filter

                Jim, does mrecno() work for you on the 'Products by Vendor' report that is part of the sample Invoices Application from Alpha?

                If it works there, but not with your set, you might examine the differences in the links or set designs... comparing your setup with the sample. I suggest this as a clue to unraveling what you are experiencing.

                BTW, I don't recall you describing what, exactly, happens when you try to use this function with your 1:N set. Maybe this would provide other clues to go on.

                -- tom

                Comment

                  #9
                  RE: can't get mrecno() to work as report filter

                  Hi Tom,

                  Comment

                    #10
                    RE: can't get mrecno() to work as report filter

                    Jim, yes and no. The mrecno() function does not behave consistently.

                    I am using Alpha Five vers. 4, build 230.

                    Using the Sample Invoice application, and the report Products By Vendor, I've been
                    trying different filter expressions in the Details Properties of the Report.

                    In all cases the other Detail Properties have been:
                    Select ALL
                    Additional record order & filter criteria NONE
                    Order is left as originally designed in the sample.

                    I've learned that:

                    1. Filter Expression = mrecno() > 0 returns all records, and is equivalent to not having a filter. This works regardless of how many times the report is run in succession.

                    2. Filter Expression = mrecno() 0 .and. mrecno()

                    Comment

                      #11
                      RE: can't get mrecno() to work as report filter

                      Thanks Tom,
                      Same issue I was having. Apparently we have an insect :-)

                      Jim

                      Comment

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