User Field Rule (onChange) Multiple Calls

Forums Classic DFFS User Field Rule (onChange) Multiple Calls

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    • #33478

      Hi Alex,


      Rules with User fields with on change triggers cause unexpected results that make multiple calls to functions/alerts etc.

      In Internet Explorer and Edge (Chromium v88) the screen also flickers briefly which is very distracting for users but not a breaking bug.


      • SharePoint 2010
      • Document Mode 10 (for IE only)
      • Internet Explorer 11 (in 10 mode)
      • Edge Chromium v88
      • Chrome v90 (no screen flickering issues)
      • DFFS Release Date (Production Version): DFFS_2021-05-10

      Replicating the Issue

      1. Create a list with a user field
      2. Create rule that triggers on user field change and displays an alert of “Rule Called”
      3. Open the form and enter a valid user. The alert should be displayed
      4. Clear the user by using the delete/backspace key
      5. The alert will be displayed.
      6. Wait for a few seconds and the alert will be displayed again

      I have had issues replicating the screen flickering issue but can provide a video soon (new computer and no video capture software installed today).


      I have replicated the issue on our development environment which you have access to via the VPN.

      The URL ends with …tpoint/sites/dffs but I can email you the address if you don’t have it handy (don’t want to write it in here).

      If you do want to check it out I have added instructions on the home page of the site.

      If there is anything else I can provide that will help, please let me know.

      • This topic was modified 3 years, 1 month ago by Ross.
      • This topic was modified 3 years, 1 month ago by Ross.
    • #33483
      Alexander Bautz

      I have successfully logged in and applied a fix – please clear the browser cache and ensure the version is – May 17, 2021

      I have only addressed the multiple alerts – if you still have the flickering issue please show me a video (you can upload it to your SharePoint site and I’ll check it there).


    • #33499

      Hi Alexander,

      Thanks again for the very quick response.

      All testing on the dev server looks good and the screen flicker seems to have gone.

      I will deploy it to the production environment to and let you know if there are any issues.

      Really appreciate the fix.

    • #33505
      Alexander Bautz

      Thanks for the feedback. I’ll include this fix in the next release, but you can copy the DFFS_frontend_min.js (the only file changed) to your production site to test it.


    • #33510

      Deployed to production and the issue has been resolved.

      The screen flickering was hard for the users to ignore so thanks again for a quick fix.

      I did upload the video of the issue to the /sites/dffs home page if you were interested to see the issue you fixed.

      On a side note, please feel free to use that site collection for any SPJS related testing until the magically day comes where IE and SP2010 is no longer in use!



      • #33512
        Alexander Bautz

        Thanks – I looked at the video and I agree that was hard to ignore – I’m happy it went away with the fix.

        I’ll keep the login for any future testing, but I must admit that I don’t do any extensive testing in SP 2010 unless I address any specific issues – so please let me know if you find any bugs.

        Best regards,

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