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Hi,
Looks like you are calling chart.render() even before the data is pushed into dataPoints – ajax requests take time to return before which the onload event handler is called.
Instead you can do something like
function(thedata) { $.each(thedata, function(i, v) { dataPoints.push({ x: new Date(v.Datetime), y: parseFloat(v.Value) }); }); chart.render(); }
— Sunil Urs