If you open the page in Chrome and view the developer's console, are there
any errors reported when the update runs?
On Friday, May 30, 2014 10:15:46 AM UTC-4, Paul Duer wrote:
>
>
> Hey All,
>
> I have the code below that someone already helped me write from here.
>
> It's not refreshing/updating the table on the webpage like it should. I
> have validated that the data DOES update. Meaning it is a new and updated
> DataTable object that is being passed to the DRAW method, but the chart on
> the screen.
>
> But, it never updates. It stays the same as the first load. And sometimes
> it even crashes or shows an empty chart. My datasource can take 10 to 20
> seconds to load sometime as this is a test rig, but I don't know why the
> chart is plain crashing.
>
> What have I done wrong?
>
> <script type="text/javascript" src="//www.google.com/jsapi"></script>
> <script src="//
> ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
>
> <title></title>
> <script type="text/javascript">
> google.load('visualization', '1.1', { 'packages':
> ['annotationchart'] });
> google.setOnLoadCallback(drawChart);
>
> function drawChart() {
>
> var chart = new
> google.visualization.AnnotationChart(document.getElementById('chart_div'));
>
> function updateChart() {
>
> var jsonData = $.ajax({
> url: "/ria/aceResponse.aspx?format=json",
> dataType: "json",
> async: false,
> cache: false
> }).responseText;
> var interval = $.ajax({
> url: "/ria/aceResponse.aspx?format=headerinterval",
> dataType: "text",
> async: false,
> cache: false
> }).responseText;
>
> $("#interval").text(interval);
> var data = new google.visualization.DataTable(jsonData);
>
> chart.draw(data, {
> is3D: true,
> colors: ['red'],
> displayZoomButtons: false,
> displayRangeSelector: false,
> dateFormat: 'HH:mm:ss'
> });
> }
>
> updateChart();
> setInterval(updateChart, 60000);
> }
> </script>
>
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