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Grid or UX List Elapsed time column

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  • Grid or UX List Elapsed time column


    I have figured out how to do this easily in the desktop area, but now I need to do this on a web form.

    I need to display either a Grid or a UX List control (at this point, either option will work), where I need to have an "elapsed time" column that updates automatically. Each row would have a different time so when it calculates it, it must calculate it from another column/field in the row.

    The layout would be:

    VEH ........ Arrival Time ......... Timer
    Veh 1----------21:04:05----------3m2s (and the 3m2s would automatically update - preferably every second but if that's too much, then maybe every 10 secs).
    Veh 2----------20:45:01----------19m20s

    etc... I'm sure javascript would handle this, but I have no idea what to do to calculate it.

    Thank you for any assistance!

  • #2
    Re: Grid or UX List Elapsed time column

    I do not know what backend db source you are using,
    if you are using sql then you can use an expression to do the calculation for elapsed time such as currentTime() - arrival_time,
    then it is a matter of calculating hours, minutes and seconds.
    then in the grid use autorefreshstart() in the onGridRenderComplete() event
    it will do almost as you want but not quite.
    it will have three columns i.e hours, minutes and seconds.
    this is for a grid and as far as I know the list is only a read only grid in a different name and different place (could be wrong there).
    the way you wanted with merge cells.
    Last edited by GGandhi; 09-05-2015, 05:37 PM. Reason: added screencast
    thanks for reading


    version 11 3381 - 4096
    mysql backend
    [email protected]
    Skype:[email protected]
    1 914 924 5171


    • #3
      Re: Grid or UX List Elapsed time column

      I provide a variety of javascript timers and stopwatches for my users. A bit of web searching will turn up something that'll make sense to you. Here's where I found what I could best understand, and serves as the base for all of my tools on this subject:


      • #4
        Re: Grid or UX List Elapsed time column

        Gandhi, thank you. I figured javascript would be better than an ajax or database call (I have a hidden field with the status date/time and then figured javascript could read that value, and calculate it in another visible column). I don't want the whole grid to update because of it causing a flashing and waste of database resources. I'll take a look at the videos shortly because maybe I'm misunderstanding what you're saying....

        Steve, thank you also. I'll take a look. So much stuff out there. I have the calculation part done (using javascript), but just need to figure out the refresh of just the status timer column without making the whole grid refresh constantly.

        THANKS !!