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SYS_OPEN not supported

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  • SYS_OPEN not supported

    Hi All,
    I'm trying to use sys_open to open an excel file but it errors out with a "Not Supported" message. Is there some library or something that needs to be registered? I also tried it on just a text file with the same results.

    Thanks,
    Jim

  • #2
    Re: SYS_OPEN not supported

    Hi Jim,

    This is one of those times where showing your code can help a lot.

    Comment


    • #3
      Re: SYS_OPEN not supported

      For testing, I just brought it down to the basics, just to make sure something else in my code was messing with it.
      This is what I hooked up to a button for testing:

      function TestExcelOpen as c (e as p)
      dim DocFile as c = "C:\Temp\TimeSheet.xlsx"
      sys_open(DocFile)
      end function

      I also tried it with skipping the variable:

      function TestExcelOpen as c (e as p)
      sys_open("C:\Temp\TimeSheet.xlsx")
      end function


      and to answer what would be my first question, Yes I'm sure the file is in that location and is not corrupt.

      This is the error message I get.
      sys_open_error.jpg

      Comment


      • #4
        Re: SYS_OPEN not supported

        You do need a default program assigned to open .xlsx files.
        If that isn't the issue, I would check permissions.

        Comment


        • #5
          Re: SYS_OPEN not supported

          Sys_Open is for desktop apps only. See spec at bottom of documentation page.

          https://documentation.alphasoftware....20Function.xml
          -Steve
          sigpic

          Comment


          • #6
            Re: SYS_OPEN not supported

            Well that explains it. Thanks Steve.

            Comment


            • #7
              Re: SYS_OPEN not supported

              I did something like this awhile back and ended up not using sys_open.
              From what I understand, the OS "user" profile (the app server) that is trying to open Excel needs to be able to open a Windows interactive session.

              So, I had to think out of the box.

              I ended up using the Helper::ShellProcess Class
              https://documentation.alphasoftware....cess/index.xml

              My Xbasic code was:

              Code:
              function openExcel as c (e as p)
              
              dim commandToLaunch as C = "SCHTASKS /RUN /TN \"openExcelBat\""
              sp = Helper::ShellProcess::Create(commandToLaunch)
              
              end function
              On the app server machine (I'm using the IIS version), you might have to do some of these things:
              - Create a new user on the server (I called mine IISCommandLaunch) and put it in a group that can run scheduled tasks
              - In the IIS Manager, add a Custom account for the Application Pool Identity for the application and set it to the new user (there may be other ways to do this that would be safer)
              - create a .bat file that has the command to open Excel
              - create a Windows Scheduled Task (but no actual schedule or trigger for the task) that will run the .bat
              SCHTASKS /RUN /TN "taskOpenExcel" will immediately run the task (TN = task name)

              There is almost always a way...

              Comment


              • #8
                Re: SYS_OPEN not supported

                I'm crazy enough to pay attention to the question rather than where it's posted.
                Turns out I should not have done that this time.
                Now that I know it's a web-type project, I thought mime settings are meant
                to determine how to open files on a client computer.

                Comment


                • #9
                  Re: SYS_OPEN not supported

                  Originally posted by madtowng View Post
                  I'm crazy enough to pay attention to the question rather than where it's posted.
                  Turns out I should not have done that this time.
                  Now that I know it's a web-type project, I thought mime settings are meant
                  to determine how to open files on a client computer
                  .
                  I think nothing posted in this thread will work in client computer in context of web application running in server.

                  Comment


                  • #10
                    Re: SYS_OPEN not supported

                    If your excel file is called "book1.xlsx" and you publish it to your webroot, then this will open the excel file:

                    http://asus:8080/Myapp/book1.xlsx
                    Gary S. Traub, Ph.D.

                    Comment


                    • #11
                      Re: SYS_OPEN not supported

                      Originally posted by drgarytraub View Post
                      If your excel file is called "book1.xlsx" and you publish it to your webroot, then this will open the excel file:

                      http://asus:8080/Myapp/book1.xlsx
                      Actually this will not happen in web application.

                      Browser just asks do you want to download file.

                      Comment


                      • #12
                        Re: SYS_OPEN not supported

                        I have not done this a lot but it does work for me. Perhaps there is a browser setting that will either download or download and open?

                        But downloading the file allows user to open it any way, and this is better than not being able to open the xls file at all, no?

                        Here's a screen shot:

                        alpha.jpg
                        Last edited by drgarytraub; 05-15-2019, 10:01 AM.
                        Gary S. Traub, Ph.D.

                        Comment


                        • #13
                          Re: SYS_OPEN not supported

                          Web would be very bad broken if you click something and then some file opens in your computer.

                          Browser must always ask permission.

                          Comment


                          • #14
                            Re: SYS_OPEN not supported

                            Originally posted by drgarytraub View Post
                            I have not done this a lot but it does work for me. Perhaps there is a browser setting that will either download or download and open?

                            But downloading the file allows user to open it any way, and this is better than not being able to open the xls file at all, no?

                            Here's a screen shot:

                            [ATTACH=CONFIG]45871[/ATTACH]
                            Browsers will let you configure the behavior when a file type is clicked. For example, in FireFox, you can configure the action for a file when it's downloaded/clicked: https://support.mozilla.org/en-US/kb...when-open-file. Actions include downloading the file, prompting, or always opening the file in a specific application. This behavior, however, is configured by the end-user and isn't something you can override in your web application.
                            Sarah Mitchell
                            Documentation | Alpha Software Corporation
                            Get in the know! Join us for our Weekly Webinars: TransForm Tuesday and Wednesday's Alpha Anywhere Demo and Q&A
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                            Comment


                            • #15
                              Re: SYS_OPEN not supported

                              Makes sense. OK, thanks!
                              Gary S. Traub, Ph.D.

                              Comment

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