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cannot set index and form filter?

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    #1

    cannot set index and form filter?

    I have a form that includes a user namme as a field. When I set the form to filter for that user name i cannot set an index with a button for "acct_sold". the index button does not work.

    the filter is set as user=var->user and the choice of index may vary.

    any ideas?

    Dave
    Tags: None
    #2
    RE: cannot set index and form filter?

    David,

    Are you trying to filter the table, through the form, to a single record, and then also make a permenant index the current sort order for the same table? These appear to be mutually inconsistent goals.

    Maybe instead of filtering the table through the form you should set the index, and then do a fetch_find to position the record pointer to the desired record?

    -- tom

    Comment

      #3
      RE: cannot set index and form filter?

      Thanks Tom,

      That's not it. I have a user that should only see his own records in the form, therefore his name only lets hinm see his own records by way of a variable set from the main form. The enter edit form for the data has a filter expression ( not an order expression ) set to user = var->user. this works great, but i cannot press the button for that named user to pick an index to see only the sold vehicles. That index name is acct_sold and has a filter set up on the active field in the table.

      I have noticed that alpha sets a query for the user for me.

      Dave

      Comment

        #4
        RE: cannot set index and form filter?

        David,

        Can you post a working example of the database here?

        If so, include a short text file which explains what you are trying to accomplish, furnishing as many details about the particular forms, filters, and buttons that may be involved...

        Is your data entry form based on a set, or a single table?

        If it's a set are you trying to change the index for the parent table or the child?

        If it's a set does the set linkage itself establish an ordering arrangement?

        -- tom

        Comment

          #5
          RE: cannot set index and form filter?

          "pick an index to see only the sold vehicles" - not really.

          You want the user to be able to pick an index to see only vehicles he sold. That's a different index, as Tom pointed out. You'll have to create that index and have a button to choose it, or have a button to run a query based on current var->user for sold vehicles.

          If the sold field is visible, you could create a button to shift focus to it and do a quick filter.
          There can be only one.

          Comment

            #6
            RE: cannot set index and form filter?

            How unfortunate

            Dave

            Comment

              #7
              RE: cannot set index and form filter?

              Tom,

              I'll try to that tonight


              Dave

              Comment

                #8
                RE: cannot set index and form filter?

                David,
                I think you would be best to use querys and create a new query each time you want to see the results.

                There are two reasons I suggest this. First, I use filtered indexes to show the results of production on six machines. All the data is in a single table and the indexes are filtered based on machine number. It works, but evey couple months or so the indexes all disappear and have to be rebuilt...so filtered indexes are not stable!!!

                Second, in your case salesmen will be hired and quit all the time, so creating and deleting indexes will be a big maintenance headache. The query takes longer than displaying an index (which is why I stick with the index method) but, for you it would have big problems.
                Pat Bremkamp
                MindKicks Consulting

                Comment

                  #9
                  RE: cannot set index and form filter?

                  If you create a single index
                  padr(alltrim(Vehicles Sold),24," ")+padr(alltrim(user_name),16," ")
                  substitute your field names, the numbers refer to the field lengths - the object is to create an index of identical key lengths.

                  Then, with a drop down list of users on your forms you should be able to use an identical concatenation of Vehicles Sold and User to create a query filter using the "Between" function. If you attach the query code to the On Change event of the user drop down you would have a query-based equivalent that would be as fast as indexed finds and easier to use.

                  Finian
                  Finian

                  Comment

                    #10
                    RE: cannot set index and form filter?

                    Hello Dave,

                    Look to Finian's thoughts. Also this would appear to me to be a situation to use ranges. Basically very similar to Finians suggestion. The range would be built upon a single index that concatenates the user and a second field. My guess is that you will want more flexibility than just a user and whether vehiles are sold or not.

                    Good luck,
                    Jim

                    Comment

                      #11
                      RE: cannot set index and form filter?

                      Thanks folks,

                      I solved it at work today

                      I do it all in indexes, the indexes are filtered on user=var->user.and.status="s" (s=sold a= active)


                      Make sense all?

                      Dave

                      Comment

                        #12
                        RE: cannot set index and form filter?

                        and Thanks all

                        Dave

                        Comment

                          #13
                          RE: cannot set index and form filter?

                          David,

                          Yes, makes sense, but for the reasons others have expressed I, too, prefer not to rely on filtered indexes.

                          -- tom

                          Comment

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