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Record # X of Y

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  • Record # X of Y

    I would like to add a field to a form that displays how many records were found in whatever query was just run and, if possible, which record the pointer is currently on. So, for example, If I was on 4 of 17 and pressed the next record button, the box would display 5 of 17, etc. (Note: the query.order will always be other than record number order)

    I looked everywhere I knew in the documentation and on the forum and haven't been able to come up with any clues. Of course, that doesn't mean it isn't out there.

    As usual, any suggestions would be much appreciated.

  • #2
    RE: Record # X of Y

    Bob,

    I don't know of an easy way to do this.

    The total count of records in the query is easy. There's an xbasic function that will supply this number quickly. Getting the current position number in the query list is a different matter.

    It could be done using scripts that fetch through the current query list populating an array. Version 5 has some new functions that may simplify this by building a CR-LF delimited string of search keys. In any event, once the array is populated the array element number could be used as a proxy for the each record's position in the query list. Your script would have to compare the current record to the array each time the record pointer moved. The array would have to be rebuilt each time a query was run. If this is not a mission critical feature, I'd skip it. It's apt to be messy and may even slow performance for the user.

    Maybe somone else will have a better idea, but you opened the door to 'any suggestions', so ...

    -- tom

    Comment


    • #3
      RE: Record # X of Y

      Tom,

      No, it's not mission critical, so at this point it looks like the benefit would not be worth the cost (effort). It would be a nice little doodad to have though, wouldn't it?

      Thanks for the reality check.

      Bob

      Comment


      • #4
        RE: Record # X of Y

        Hi Bob,

        Check out run_count(). This is used for reports and is not supported for forms but it works on a form for what you want.

        Cheers
        Marc
        www.a5solutions.com
        Marc King
        A5solutions

        Comment


        • #5
          RE: Record # X of Y

          Marc,

          Thanks for the tip on using run_count() in forms. It's *almost* perfect. Do you know if there is any way to get around the end of file bug mentioned by several others on the forum (and observed by me).

          Thanks a lot.

          Bob

          Comment


          • #6
            RE: Record # X of Y

            I found a way around the bug! Use the table.current() function. My form is based on a set where I want to count display record numbers in the current query at the top parent level. Here is the calculated field I used. Auto_num is the auto number field in the top level table.

            "Record " + iif(table.current(1).eof(),count(Auto_num),run_count(Auto_num)) + " of "+count(Auto_num)

            Hope this helps!

            Howard
            Howard G. Cornett, Independent Consultant

            Comment


            • #7
              RE: Record # X of Y

              Bob,

              On the off chance that I understand what you want, try the following - open the form in question in design mode and create the following two calc fields and one variable

              calc field (Total_records), expression = reccount("your table name")
              calc field (Current_Record), expression = reccount("your table name")
              numeric variable - at the layout level (vFound)

              I use the 'roledex' object (see the Customer table in Alphasports). Alpha generated the following code for the multi-state buttons, except for the one line I added (colored red).
              Code:
              'Date Created: 11-Apr-2002 08:43:33 AM
              'Last Updated: 28-Feb-2004 10:52:54 PM
              'Created By  : Selwyn Rabins
              'Updated By  : Dave Jampole
              'script for the multistate button on the Employee form in the Tri
              'County MHMR app
              
              'get a pointer to the current table
              dim tbl as p
              tbl = table.current()
              
              'set the filter criteria
              query.filter  = "left(LAST, 1) = '" + mulstbtn1.text + "'"
              query.order = "LAST"
              
              'now run the query
              tbl.query_create()
              
              'now synchronize the form with the query
              topparent.Resynch()
              
              
              ''
              '' Get the current record count
              ''
              dim i as p
              i = tbl.index_primary_get()
              count = i.records_get()
              vFound=count
              ''
              '' If no records are found, we display a warning and show all records
              ''
              
              if count = 0
                       ui_msg_box("Warning", "No employee names start with the letter you selected, so all employees will be shown.")
                       query.filter = ".t."
                       query.order = "LAST"
                       tbl.query_create()
                       'now synchronize the form with the query
                       topparent.Resynch()
              end if
              What this lets me do is include, on top of the 'roledex', "Records = (the total record count)", "Found = (number of records found that start with the selected letter)" and, "On record = (current record)".

              I hope this makes sense and is somewhat helpful.

              Dave

              Dave Jampole
              www.customalpha.com

              Women and cats will do whatever they want. The sooner men and dogs realize that, the happier they will be.

              Comment


              • #8
                RE: Record # X of Y

                Sorry, the next to last line got truncated. Let me try again:

                What this lets me do is include, on top of the 'roledex', "Records = (the total record count)", "Found = (number of records found that start with the selected letter) " and "On record = (current record)."

                Dave
                Dave Jampole
                www.customalpha.com

                Women and cats will do whatever they want. The sooner men and dogs realize that, the happier they will be.

                Comment

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