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Advanced Button dialog error

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  • Advanced Button dialog error

    I have a dialog with an advanced button named vR1 with the following code in the button's Server OnClick event:
    Code:
    vFilename = ""
    vOrder = ""
    vFilter = ""
    Dim Global vLabel as C = "R01" 
    Dim vFilename as c
    vFilename = session.session_folder + chr(92) + "Avery5160.pdf"
    vFilename = report.saveas("Avery5160@[PathAlias.ADB_Path]\AddressBook.DDD","pdf",vFilter,vOrder,vFilename,.f.)
    if file.exists(vFilename )
            response.redirect(session.session_url + "Avery5160.pdf?" + time("hms3"))
    end if
    This code works correctly and prints the report.

    BUT, when I wrap the code in a function in the dialog's Server Declarations event:
    Code:
    FUNCTION PrintAvery5160 AS V (vLabelx as C)
    vFilename = ""
    vOrder = ""
    vFilter = ""
    Dim Global vLabel as C = vLabelx
    Dim vFilename as c
    vFilename = session.session_folder + chr(92) + "Avery5160.pdf"
    vFilename = report.saveas("Avery5160@[PathAlias.ADB_Path]\AddressBook.DDD","pdf",vFilter,vOrder,vFilename,.f.)
    if file.exists(vFilename )
            response.redirect(session.session_url + "Avery5160.pdf?" + time("hms3"))
    end if
    END FUNCTION
    And put this code in the button's Server OnClick event:

    PrintAvery5160("R01")

    I get an error message stating:

    "Error in event handler code for OnClick event for 'vR1': Not found
    session not found."

    Apparently the OnClick doesn't recognize the
    session.session_folder variable in the function.

    ???
    Peter
    AlphaBase Solutions, LLC

    Peter@AlphaBaseSolutions.com
    https://www.alphabasesolutions.com



  • #2
    Re: Advanced Button dialog error

    Does anyone have any insight into this?
    Peter
    AlphaBase Solutions, LLC

    Peter@AlphaBaseSolutions.com
    https://www.alphabasesolutions.com


    Comment


    • #3
      Re: Advanced Button dialog error

      Peter,

      I still haven't ventured into the web end of the Alpha pool (soon though) so I can't offer an explanation but may this would work as a workaround.

      Code:
      FUNCTION PrintAvery5160 AS V (vLabelx as C,sessfolder as C)
      vFilename = ""
      vOrder = ""
      vFilter = ""
      Dim Global vLabel as C = vLabelx
      Dim vFilename as c
      vFilename = sessfolder + chr(92) + "Avery5160.pdf"
      vFilename = report.saveas("Avery5160@[PathAlias.ADB_Path]\AddressBook.DDD","pdf",vFilter,vOrder,vFilename,.f.)
      if file.exists(vFilename )
              response.redirect(session.session_url + "Avery5160.pdf?" + time("hms3"))
      end if
      END FUNCTION
      and then

      PrintAvery5160("R01",session.session_folder)
      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


      • #4
        Re: Advanced Button dialog error

        Peter,

        I was under the assumption that we needed to have 2 _ _ for security reasons maybe that is a problem try

        vFilename = session.session__folder + chr(92) + "Avery5160.pdf"
        2_ _

        Nicholas
        Nicholas Wieland
        LedgerSuite.com Corp
        nnw@edfi.net
        http://www.ledgersuite.com

        Comment


        • #5
          Re: Advanced Button dialog error

          Peter I have been thinking about this all day,
          and it doesn't make sense that it doesn't work.
          I regularly ''Functionalise'' sfuff for OO efficiencies the way you did, but so far have stayed out of the 'Server Declarations event' area.
          So just looking at your code I'm surprised it doesn't work.
          -Long shot, is there a security issue somewhere here?
          As the Alpha security doesn't appear to protect, rather blinds and hides.

          Comment


          • #6
            Re: Advanced Button dialog error

            Tim:
            Tried your idea, but she won't go. Same error message.

            Nicholas:
            Security has not been enabled. And the code works, minus the function when I put it directly in the button's OnClick event. Trouble is, I will have 30 buttons, and I don't want to dup the code 30X only to have to change it down the road.

            Colin:
            Again, no security at all (yet).
            It might well be a bug.

            Thanks gentlemen. Appreciate you weighing in.
            Last edited by Peter.Greulich; 06-20-2009, 04:54 PM. Reason: correcto
            Peter
            AlphaBase Solutions, LLC

            Peter@AlphaBaseSolutions.com
            https://www.alphabasesolutions.com


            Comment


            • #7
              Re: Advanced Button dialog error

              This is not a bug. The system variable "session" is not passed to the contents of the function.
              Code:
              FUNCTION PrintAvery5160 AS V (vLabelx as C)
              Therefore any reference to "session" inside the function will give an error message indicating "session" is not found.

              Comment


              • #8
                Re: Advanced Button dialog error

                Originally posted by JerryBrightbill View Post
                This is not a bug. The system variable "session" is not passed to the contents of the function.
                Code:
                FUNCTION PrintAvery5160 AS V (vLabelx as C)
                Therefore any reference to "session" inside the function will give an error message indicating "session" is not found.
                Ok, thanks Jerry.

                Is there any way around this conundrum?
                Peter
                AlphaBase Solutions, LLC

                Peter@AlphaBaseSolutions.com
                https://www.alphabasesolutions.com


                Comment


                • #9
                  Re: Advanced Button dialog error

                  Ok, success. Tim got me to thinking. Here is the slightly ugly work around. But, at least I can isolate the guts of it for easy future modification.

                  Functions in the dialog's Server Declarations event:
                  Code:
                  FUNCTION func1 as C (vLabelx as C)
                      Dim Global vPrintType as C = "work"
                      Dim Global vLabel as C = vLabelx
                      
                      Dim shared vOrder as C
                      Dim shared vFilter as C
                  
                      vOrder = ""
                      vFilter = ""
                      
                      func1 = "Avery5160.pdf"        ''the output name
                  END FUNCTION
                  
                  FUNCTION func2 as L (vFilename as C)
                      Dim shared vOrder as C
                      Dim shared vFilter as C
                      vFilename = report.saveas("Avery5160@[PathAlias.ADB_Path]\AddressBook.DDD","pdf",vFilter,vOrder,vFilename,.f.)
                      
                      func2  = file.exists(vFilename)
                  END FUNCTION
                  Not that func1() will have over 20 variable assignments added to it before I'm done.

                  Here is the code for the button's Server OnClick event (in this case for button R01):
                  Code:
                  vOutputName = func1("R01")
                  
                  vFilename = session.session_folder + chr(92) + vOutputName
                  
                  IF func2(vFilename) = .T.
                      response.redirect(session.session_url + vOutputName + "?" + time("hms3"))
                  END IF
                  There will be 30 buttons all told. So this, at least, allows me to maintain a degree of flexibility w/o reinventing the wheel.

                  Thanks all.
                  Last edited by Peter.Greulich; 06-20-2009, 06:20 PM.
                  Peter
                  AlphaBase Solutions, LLC

                  Peter@AlphaBaseSolutions.com
                  https://www.alphabasesolutions.com


                  Comment


                  • #10
                    Re: Advanced Button dialog error

                    Peter,

                    Have you tried Jerry's suggestion:

                    FUNCTION PrintAvery5160 AS V (vLabelx as C,session as P)
                    .
                    .
                    .
                    Pat
                    Pat Bremkamp
                    MindKicks Consulting

                    Comment


                    • #11
                      Re: Advanced Button dialog error

                      Peter,

                      EDIT: I did not see Pat's post while replying so I would definately try that first. Sounds to me like it should work. Although I don't see where in Jerry's post that is suggested.

                      Prompted by Jerry's reply I took another look at the code and see that there is still another reference to the session variable. ie session.session_url So that may be what is still triggering the error. I will have another try and then leave it up to the web experts. :)


                      Code:
                      FUNCTION PrintAvery5160 AS V (vLabelx as C,sessfolder as C,sessurl as C)
                          vFilename = ""
                          vOrder = ""
                          vFilter = ""
                          Dim Global vLabel as C = vLabelx
                          Dim vFilename as c
                          vFilename = sessfolder + chr(92) + "Avery5160.pdf"
                          vFilename = report.saveas("Avery5160@[PathAlias.ADB_Path]\AddressBook.DDD","pdf",vFilter,vOrder,vFilename,.f.)
                          if file.exists(vFilename )
                              response.redirect(sessurl + "Avery5160.pdf?" + time("hms3"))
                          end if
                      END FUNCTION
                      and then

                      PrintAvery5160("R01",session.session_folder,session.session_url)
                      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


                      • #12
                        Re: Advanced Button dialog error

                        Originally posted by Pat Bremkamp View Post
                        Have you tried Jerry's suggestion:

                        FUNCTION PrintAvery5160 AS V (vLabelx as C,session as P)
                        t
                        Hi Pat,

                        Yes, I did try that (actually Tim's suggestion). But it doesn't work. There does not seem to be anyway to pass the session variable pointer or it's subcomponents into a function.


                        Originally posted by Tim Kiebert View Post
                        Peter,
                        Prompted by Jerry's reply I took another look at the code and see that there is still another reference to the session variable. ie session.session_url

                        ...and then
                        PrintAvery5160("R01",session.session_folder,session.session_url)
                        No, I tried that as well and a bunch of other permutations. For whatever reason, you are not able to pass session and its subcomponents into a function. I even tried embedding the function directly into an a5w page and it still wouldn't work. But thanks.
                        Peter
                        AlphaBase Solutions, LLC

                        Peter@AlphaBaseSolutions.com
                        https://www.alphabasesolutions.com


                        Comment


                        • #13
                          Re: Advanced Button dialog error

                          I'm learning a lot following this thread.
                          Question, Could a session cookie be used to resolve this?

                          Comment

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