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set a variable to shorttime (ST) value from ST field

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  • set a variable to shorttime (ST) value from ST field

    I want to set a variable (Var->VarBkpStartChr) to the value of a ST field (dummydat->bkpstarttime)...
    so
    I placed the following code in the OnWrote event in the field rules of the dummydat table

    dim global Var->VarBkpStartChr As C

    Var->VarBkpStartChr = convert_type(dummydat->bkpstarttime, "C")

    but... Var->VarBkpStartChr is not updated when the record in dummydat is changed.

    how can I set the Var->VarBkpStartChr variable to the value in the dummydat table?

  • #2
    Re: set a variable to shorttime (ST) value from ST field

    How is the variable dimmed?
    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

    Comment


    • #3
      Re: set a variable to shorttime (ST) value from ST field

      dim global Var->VarBkpStartChr As C

      Comment


      • #4
        Re: set a variable to shorttime (ST) value from ST field

        Originally posted by David Boomer View Post
        dim global Var->VarBkpStartChr As C
        Oops. Helps to read the code instead of watching football......

        Try this - use a pointer to the table instead of the way you did it. ie table->fieldname

        fieldruleonwritefield.png
        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

        Comment


        • #5
          Re: set a variable to shorttime (ST) value from ST field

          Thanks Al..
          good idea...
          but unfortunately the variable is still not being set

          Comment


          • #6
            Re: set a variable to shorttime (ST) value from ST field

            Originally posted by David Boomer View Post
            Thanks Al..
            good idea...
            but unfortunately the variable is still not being set
            Are you sure the event is being called?

            Debug, trace, or write to a text file.

            You may need to post a simple sample. Or try in an older version of Alpha.
            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

            Comment


            • #7
              Re: set a variable to shorttime (ST) value from ST field

              I don't think your code is acceptable to Alpha. We would normally

              Code:
              dim global varname as c
              not

              Code:
              dim global var->varname as c
              Alpha seems to agree. From the interactive window ...

              Code:
              dim global var->testvar as c = "123"
              ?testvar
              ERROR: Variable "testvar" not found.
              
              dim global testvar2 as c = "123"
              ?testvar2
              = "123"
              Finian

              Comment


              • #8
                Re: set a variable to shorttime (ST) value from ST field

                Finian

                I see what you are saying. What I posted worked....

                Not sure what else is missing from the given problem.

                That's why I asked for a small example.
                Last edited by Al Buchholz; 11-23-2015, 12:02 PM. Reason: gotta love spell check....
                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

                Comment


                • #9
                  Re: set a variable to shorttime (ST) value from ST field

                  Originally posted by David Boomer View Post
                  I want to set a variable (Var->VarBkpStartChr) to the value of a ST field (dummydat->bkpstarttime)...
                  so
                  I placed the following code in the OnWrote event in the field rules of the dummydat table

                  dim global Var->VarBkpStartChr As C

                  Var->VarBkpStartChr = convert_type(dummydat->bkpstarttime, "C")

                  but... Var->VarBkpStartChr is not updated when the record in dummydat is changed.

                  how can I set the Var->VarBkpStartChr variable to the value in the dummydat table?
                  <I placed the following code in the OnWrote event in the field rules of the dummydat table>
                  Which field did you assign the code to?

                  The OnWrote event is assigned to a field in the table. It must be a field that the user enters data into, not a field that is assigned a value any other way. (default, calculated, xbasic, ....)

                  You may consider using one of the table events - CanSave, OnSave...

                  What exactly are you trying to accomplish?
                  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

                  Comment


                  • #10
                    Re: set a variable to shorttime (ST) value from ST field

                    Thanks Al
                    When I placed the following code in the OnSave record event it worked perfectly;

                    dim global VarBkpStartChr As C
                    dim tbl As P
                    tbl = Table.current()
                    Var->VarBkpStartChr = convert_type(tbl.bkpstarttime, "C")

                    ui_msg_box("VarBkpStartChr = " + Var->VarBkpStartChr, "VarBkpStartChr = " + Var->VarBkpStartChr,UI_OK)

                    I am trying to use the variables as a way to warn users to logoff between VarBkpStartChr time and VarBkpEndChr time so that a backup can take place...
                    I am using code that Craig Schumacker recently posted to the code archive... I am trying to extend it so that administrators can set the exact times for logoff / backup

                    Thanks for your help!... (watching error messages pop up was getting frustrating)

                    Comment

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