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Using Conditional Objects

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    #1

    Using Conditional Objects

    Can someone help me?

    I am desiging an application to smooth over the record keeping process in a small college. For now the structure is fine, however I am not familer with conditional objects.

    I have played around with them for 2 days now and can get the conditions right. But how do I create an approprate event for say a 2 state button that when triggered the object evaluates the proper variable smoothly?
    Tags: None
    #2
    RE: Using Conditional Objects

    A two state button would have the choices

    Checkbox true value
    Checkbox false value

    The conditional object would react to the value thus set.
    There can be only one.

    Comment

      #3
      RE: Using Conditional Objects

      Thats what I thought it would do but it wont do that for some reason

      Comment

        #4
        RE: Using Conditional Objects

        You may have to trigger a screen refresh like the attachment.
        There can be only one.

        Comment

          #5
          RE: Using Conditional Objects

          your example works fine. I used the same syntax in my ONchange code however for some reason i keep getting 'argument is incorrect data type' i tried changing data types though, and im sure that i screwed this up somehow

          Comment

            #6
            RE: Using Conditional Objects

            The syntax is object specific. The general version would be

            formname:conditionalobjectname.refresh()

            conditionalobjectname is revealed by looking at the conditional object object name in the form's design mode.
            There can be only one.

            Comment

              #7
              RE: Using Conditional Objects

              i wish to thank you for your example it worked, however when i attempted apply the code to my twostate button it still exclaims wrong data type. Is there any solution to this? i have yet to find one. I would be willing to post in zip form what i have so far, if anyone has time

              Comment

                #8
                RE: Using Conditional Objects

                I'm sure if you post it, they will come....
                Al Buchholz
                Bookwood Systems, LTD
                Weekly QReportBuilder Webinars Thursday 1 pm CST

                Occam's Razor - KISS
                Normalize till it hurts - De-normalize till it works.
                Advice offered and questions asked in the spirit of learning how to fish is better than someone giving you a fish.
                When we triage a problem it is much easier to read sample systems than to read a mind.
                "Make it as simple as possible, but not simpler."
                Albert Einstein

                http://www.iadn.com/images/media/iadn_member.png

                Comment

                  #9
                  RE: Using Conditional Objects

                  James, usually a conditional object is based on a form field object. Say you have a field called "Client Type", with possible values being Regular, France, Germany, etc.

                  and you create a conditional object for that field, and for each Country you have different fields in the conditioanl object. The condition will automatically update when you change the field status from France to Germany, etc.
                  Cole Custom Programming - Terrell, Texas
                  972 524 8714
                  [email protected]

                  ____________________
                  "A young man who is not liberal has no heart, but an old man who is not conservative has no mind." GB Shaw

                  Comment

                    #10
                    RE: Using Conditional Objects

                    By all means,post if you can. You would get a reply -- sometimes several and learn a great deal. When you post, be sure to explain how to create the error or problem and what you want to achieve.
                    These guys are really good at this.
                    Jim

                    Comment

                      #11
                      RE: Using Conditional Objects

                      I have an article about conditional objects at my web site (yes, it's in dire need of improvement ... one day now soon ...). And while the article is a bit old and some of the interface looks a bit different now, it might still be helpful.

                      Anyway, see:

                      http://www.workings.com/A5ConditionalObjects.htm

                      - Steve
                      -Steve
                      sigpic

                      Comment

                        #12
                        RE: Using Conditional Objects

                        The basic idea of this application is to simplify the record keeping of the school, its not finished.

                        To incurr the error open the form named 'transcript',then select the transcript tab. There is a button labeled Show Grades, press it. Theroreticaly, the ONCHANGE function should invoke the refreshing of the variables that the conditional object pulls from.

                        Thats how i think it should work, however when the button is pressed an error msg is produced stating that the script is of the wrong datatype. Why it does this I do not know.

                        If anyone can either show me how to fix this or maybe send me a fixed copy in a zip, it would be much appreaciated. Many thanks for the help given so far and for any future help

                        Comment

                          #13
                          RE: Using Conditional Objects

                          Here you go.

                          The condition expression(s) in the conditional object were incorrectly configured.

                          Var-"Grades is defined as Logical.

                          You used this as the co expression:

                          Var-"Grades = T

                          This results in a variable type mismatch error. Alpha thinks "T" is the name of another object.

                          Should be

                          Var-"Grades = .T.

                          using the normal syntax to tell Alpha to activate this layer of the CO if Grades holds a value of TRUE.

                          I added the second layer for you.

                          Var-"Grades = .F.

                          You omitted it by mistake, perhaps.

                          Unzip the attachment to an empty folder. Holler if you have questions.

                          --tom

                          Comment

                            #14
                            RE: Using Conditional Objects

                            thanks that works...I wonder why i did not try that??

                            Comment

                              #15
                              RE: Using Conditional Objects

                              Heres another question...does the variable have to be a boolean? or is it possible that i can use a caracter?

                              Comment

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