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Sunil thanks alot on this. I modified the above code to wok with 2 data sets now. See below for anyone having same issue.
Demo
$( document ).ready(function() { // Begin jQuery ready function
//Creating a multi-series line graph from 2 sets of data. Namely dps1 and dps2.
var dps1 = [ {x: 0, y: 10}, {x: 2, y: 17}, {x: 3, y: 29} ]; //dataPoints – line 1 var dps2 = [ {x: 1, y: 15}, {x: 2, y: 28}, {x: 3, y: 42} ]; //dataPoints. – line 2
var chart = new CanvasJS.Chart(“chartContainer”,{ title :{ text: “Live Data” }, axisX: { title: “Axis X Title” }, axisY: { title: “Units” },
// begin data for 2 line graphs. Note dps1 and dps2 are //defined above as a json object. See http://www.w3schools.com/json/ data: [ { type: “line”, dataPoints : dps1}, { type: “line”, dataPoints : dps2} ] // end of data for 2 line graphs
}); // End of new chart variable
chart.render();
}); // End of jQuery ready function