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Row count on UX list control - help please? What's wrong with this code / design.

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    Row count on UX list control - help please? What's wrong with this code / design.

    Hi I'm having an issue with displaying the correct number of rows on UX list.
    I've attached a PDF with screen dumps of the application that should assist in explaining the issue.

    However here's a summary ...

    Mobile Application
    Home panel with 3 controls
    1. Physio: DropdownBox control which allows user to select a Physio
    2. ApptDate: TextBox of type Date which allows user to choose a date
    3. Button that shows a new panel with a list of appointments for the Physio and date selected.

    The Appointments panel has a number of buttons, a label and a list control
    The list control called APPOINTMENTS uses two arguments ie. Physio & ApptDate from the Home panel

    Next Day button increments the ApptDate by 1
    Prev Day button decrements the ApptDate by 1

    Heres the Inline Javascript Action code for Prev Day
    {dialog.object}.setValue('ApptDate', ChangeDate({dialog.object}.getValue('ApptDate'), -1));
    {dialog.object}.refreshListData('APPOINTMENTS');
    {dialog.Object}.setValue('PhysioSelected', PhysioDateString());

    Note the last line calls the following javascript function. 
    function PhysioDateString() {
    // Returns a formatted string of the number of appointments on the date selected
    var sFormattedText = 'empty';
    var lOb = {dialog.object}.getControl('APPOINTMENTS');
    {dialog.object}.runAction('refresh'); //refreshes the Appointments list AGAIN!
    var iAppointments = lOb._data.length;
    if (iAppointments == 0) {
    sFormattedText = 'you have no appts. on ' + ChangeDate({dialog.object}.getValue('ApptDate'), 0); }
    else if (iAppointments == 1) {
    sFormattedText = 'you have 1 appt. on ' + ChangeDate({dialog.object}.getValue('ApptDate'), 0); }
    else {
    sFormattedText = 'you have ' + iAppointments + ' appts. on ' + ChangeDate({dialog.object}.getValue('ApptDate'), 0); }
    return sFormattedText;
    }

    However I must be doing something wrong ... see attached doc for images


    Image1 �you have no appts!! When there actually are 5 appointments on the 8th Oct.

    Clicking Next Day button to move to the 9th Oct





    Image 2 � You have 5 appts. When there are actually 0 appointment on the 9th.

    Clicking Next Day button to move to the 9th Oct

    Image 3 � You have no appts!! When there actually are 4 appointments on the 10th Oct.

    Image 4 � You have 4 appts. When there are actually 0 appointment on the 11th.

    Summary : the function is populating the record count incorrectly. It�s as if it�s referencing the rowcount of the previous list!
    Attached Files

    #2
    Re: Row count on UX list control - help please? What's wrong with this code / design.

    refreshListData makes an asynchronous callback to the server. That means it posts a request for the data, but the rest of the Javascript continues executing before data is returned from the server. Take your JavaScript that computes the count display value and move it to the "JavaScript - Render Time" / "OnListDraw" event on the "List Properties" tab of the LIST control, but compute the record count from the 'data' object passed into that event. Don't rely on lOb._data.length at that point.

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