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Filtering on a date - Please help ...

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    #1

    Filtering on a date - Please help ...

    I have a dialog component with just 2 fields:

    PROV - a character field

    DATE - a date type field

    I have the following code in the AfterValidate event:

    filter="(Prov=quote({CurrentForm.Controls.Prov})).and.(Date=ctod(quote({CurrentForm.Controls.Date}))"

    CurrentForm.RedirectTarget="Scheduler.a5w?Scheduler_filter="+filter

    When I run this, I get an error message.

    Can anyone please help me with this. I have been struggling for hours and hours ...

    Gary
    Gary S. Traub, Ph.D.

    Tags: None
    #2
    Re: Filtering on a date - Please help ...

    I guess my basic question is how to set up the filter with a date. The date field is called DATE.
    Gary S. Traub, Ph.D.

    Comment

      #3
      Re: Filtering on a date - Please help ...

      Alright Gary, I'll take a shot at it. Can't promise it's right without test data though:

      Code:
      filter = "Prov = '" + Currentform.Controls.Prov + "' .and. Date = " + ctod(CurrentForm.Controls.Date)
      -Steve
      sigpic

      Comment

        #4
        Re: Filtering on a date - Please help ...

        Steve,

        Thanks so much for responding. Here is the error message that results from your code:

        Error 4 - Invalid filter or order expression: Argument is incorrect data type
        Filter expression: (appt="Y") .and. (Prov = 'GT' .and. Date = 03/14/2008)
        Order expression: cdate(Date)+str(Timesort,19,5)+Fullname+svcode
        Gary S. Traub, Ph.D.

        Comment

          #5
          Re: Filtering on a date - Please help ...

          Now you've thrown in another piece: the Appt = "Y" and an order expression.

          If someone has the energy, I think they'll need a complete picture of what you have, maybe with a few sample records. Dunno if I can offer much more today but maybe someone else can.
          -Steve
          sigpic

          Comment

            #6
            Re: Filtering on a date - Please help ...

            Steve,

            The appt and order expression have nothing to do with the problem. Those are defined within the grid itself. As a matter of fact, it is the syntax regarding the date that is the problem, because removing date altogether eliminates all errors.

            However, I have figured out another way around the problem. I simply defined prov and date as session varaibles in the dialog component, then I created argument called arg_date and arg_prov and passed the session variables to those 2 arguments, and then based the filter in the grid on those 2 arguments. Works great!

            I hope that this is helpful to others.

            I still would like to know, for future reference, what the correct syntax would be in the sutuation as referred to above, if anyone cares to look at this.

            Thanks for your thoughts Steve ...

            Gary
            Gary S. Traub, Ph.D.

            Comment

              #7
              Re: Filtering on a date - Please help ...

              try
              Code:
              filter = "Prov = '" + Currentform.Controls.Prov + "' .and. Date = [COLOR=Red][B]{[/B][/COLOR]" + ctod(CurrentForm.Controls.Date)[B][COLOR=Red]+"}"

[/COLOR][/B][COLOR=Red][COLOR=Black]or
[/COLOR][/COLOR]
filter = "Prov = '" + Currentform.Controls.Prov + "' .and. Date = " + [B][COLOR=Red]s_quote([/COLOR][/B]ctod(CurrentForm.Controls.Date)[COLOR=Red][B])[/B][/COLOR]
              Tim Kiebert
              Eagle Creek Citrus
              A complex system that does not work is invariably found to have evolved from a simpler system that worked just fine.

              Comment

                #8
                Re: Filtering on a date - Please help ...

                Hi Tim,

                Thanks so much. Your code works!!

                I do have a question though, In your opinion, is there an advanyage of one method over the other, i.e., using arguments within the grid filter versus using variables within the dialog that get passed to the page via the url?

                Gary
                Gary S. Traub, Ph.D.

                Comment

                  #9
                  Re: Filtering on a date - Please help ...

                  Sorry Gary, That question is beyond me for now as I have not ventured in to the web end of the pool yet. The filter I can handle cause it's pretty much the same when you need to apply it against a table.

                  Maybe one of the Steves can chime back in on this one.
                  Tim Kiebert
                  Eagle Creek Citrus
                  A complex system that does not work is invariably found to have evolved from a simpler system that worked just fine.

                  Comment

                    #10
                    Re: Filtering on a date - Please help ...

                    Thanks Tim.
                    Gary S. Traub, Ph.D.

                    Comment

                      #11
                      Re: Filtering on a date - Please help ...

                      Dr. Gary,

                      I'm usually happy if I can figure out one way to do something, and you have two!

                      Siince both work, I'd make the selection based on what else I might want to do with the components...I try to reuse components when I can. The argument in the grid approach usually makes the grid a one-trick-pony, but it can be used in other pages.
                      The session variables in the dialog, on the other hand, can be tested for in the initialize event and the dialog used for additional purposes.

                      So, there isn't one best answer. It depends on your overall design.

                      Pat
                      Pat Bremkamp
                      MindKicks Consulting

                      Comment

                        #12
                        Re: Filtering on a date - Please help ...

                        Hi Pat,

                        Thanks for your thoughts. Based on what you said, it seems that the url approach is probably "better" in that there is more flexibility.

                        Thanks again for your input.

                        Gary
                        Gary S. Traub, Ph.D.

                        Comment

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