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Timer column in a browse

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  • Timer column in a browse

    Just starting out with a DESKTOP application... have been creating some WEB applications for a bit now.

    Anyways.... I am creating a form that will have a browse, and I need a column that has a status timer.. for instance, how long a vehicle has been on location, or available, for.

    The database table will have the last status time stamp, but on the screen it needs to show seconds and minutes.

    For instance, Vehicle A1 01:03 On-Location

    (And the 01:03 would continually update for 01:04, 01:05, every second).

    When status changes (let's say they go available), timer will reset back to 00:00 and accrue from there. There can be any number of vehicles, with a variety of statuses, so it needs to rely on the last time stamp in the database.

    Is this possible??? If so, How?!?!?!?! lol

  • #2
    Re: Timer column in a browse

    One possible expression for the number of elapsed seconds, for the current selected row in a browse, is

    now()-browseobjectname:timestampfieldname.value

    Whether you really want to update every second or on demand and how to convert the number of seconds to the format you want I'll leave to you.
    There can be only one.

    Comment


    • #3
      Re: Timer column in a browse

      Thanks Stan... if I wanted to set an update interval.... which could be either 1 sec, 5 secs, 10 secs, 30 secs, etc... (user selectable), how would I do that? It would be a selected row, it would be for all the rows.

      It is basically an emergency dispatch screen, so they will need to see how long a unit is on scene, available, transporting, etc.

      Thank you!
      Chris

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      • #4
        Re: Timer column in a browse

        I guess I should add, it is important to know that all rows will need to be updated frequently, and is multi-user. The vehicle status may be changed by another computer, and needs to be reflected on all of the computers at the same time...

        Chris

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        • #5
          Re: Timer column in a browse

          if I wanted to set an update interval
          Forms have ontimer events. The code might be parentform.browseobjectname.repaint().

          If you want the elapsed time on each row of the browse you will need to create a saved browse with a calculated field and place that on the form instead of an embedded browse.
          There can be only one.

          Comment


          • #6
            Re: Timer column in a browse

            Ok, I'll take a look into all of that. Thanks Stan! I appreciate it!

            Comment


            • #7
              Re: Timer column in a browse

              There may be a problem with the form properties timer in the latest patch. Unable to set timer to more than 10 seconds.
              Regards
              Keith Hubert
              Alpha Guild Member
              London.
              KHDB Management Systems
              Skype = keith.hubert


              For your day-to-day Needs, you Need an Alpha Database!

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