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Inconsistent updates when using insert,update javascript within UX component

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  • Inconsistent updates when using insert,update javascript within UX component

    Hello all,

    I have a feeling my issue is due to my lack of knowledge....

    Basically I have javascript action procedures to basically perform a combination of lookup and update functions. They all work fine individually but when I try to combine all the functions and wrap into one button click, they tend to inconstently work. It actually almost seems to run out of sequence, as if subsequent javascript fire prematurely before earlier ones work.

    Not sure if this issue makes sense, but I'm almost thinking I need to add some sort of delay in between javascripts?

    For your reference, below is a list of javascripts, which again, work individually but when I combine they inconsisetently work






    Please advise.

    Thank you, Casey

  • #2
    Re: Inconsistent updates when using insert,update javascript within UX component

    Javascript is asynchronous by nature. Your second, and subsequent actions will possibly start to run before the first is complete. If you're calling all these from a button then you have a couple of options (which are essentally the same solution). Alpha has implemented a function called A5.executeThisThenThat().

    You can set up an Action to run all these actions. One of the options for Action Javascript (bottom right) is a checkbox labelled Run Actions Synchronously. To see what this does, add a couple of actions and then click the Text Mode radio button which will convert your actions to Javascript code. You'll see how Alpha implements the A5.executeThisThenThat function on your actions.

    Click the "Explain" button for some good info.

    Once you understand how the A5.executeThisThenThat function works, you can set it up in your button event for all your actions instead of calling another action.

    If these actions are always called together then you could create Javascript functions to replace the Actions. At the return of each function, call the next required function. This way you get a chain.


    • #3
      Re: Inconsistent updates when using insert,update javascript within UX component

      Thank you David, that sounds like that is what I'm missing.

      If you could be so kind to post an example of where I would place that clause? Just for sake of time... I'm away at Disneyland with my kids right now, but when I get home need to finish this project for my company.

      Thanks much!



      • #4
        Re: Inconsistent updates when using insert,update javascript within UX component

        David, just wanted to let you know, I was able to figure out how & where to use the "Run Actions Synchronously" option and it worked flawlessly!!

        Man, this is big time for me right now in this stage of my Alpha "growing pains", coming from a 15+ years of Microsoft Access programming.

        Thank you again so much for your detailed explanation for me!

        Have a good one.



        • #5
          Re: Inconsistent updates when using insert,update javascript within UX component

          Good to hear. After many years of mainframe databases and then PCDOS databases I added Access when version 1 came out and it was a staple for many, many years. It's just not quite there any longer.


          • #6
            Re: Inconsistent updates when using insert,update javascript within UX component

            David perhaps you could provide a recommendation for something similar. I use the Google Map as an alternate view, and I have the option to move the markers checked and I have used the default function as per the prototype supplied. The issue is you MUST click the marker and make sure the row has focus THEN drag and it updates. If you simply grab the marker and move it in a single action the previous row which still has focus moves. If no row has been selected, for instance this would be your first "drag" action - NO row has focus and even though the marker is moved if you hit refresh, the marker was never moved.
            My code looks like this:
            function newcords(m, e){var lat =;
            var lng = m.position.lng();
            var selectedRow = {grid.object}.getSelectedRow();
            var lat1 =;
            var lng1 = m.position.lng();
            Notice the Submit part, I feel like its not the on-click that fires the code but rather the on-release because if you click the marker - the row gets focus - you move the marker and record submits and is as expected - but on the other hand click and drag at the same time, as a single effort -- the row gets focus on release but the coordinates stay the same as the row does not get focus until after the move.

            Thoughts on that anyone?
            Last edited by CharlesParker; 11-08-2015, 12:57 PM.
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