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@myezasifiso,
You can reset the chart range programmatically by setting the viewportMinimum and viewportMaximum of x-axis to null inside the rangeChanged event handler as shown in the code snippet below –
rangeChanged: function(e) { if(e.trigger === "reset"){ e.chart.options.axisX[0].viewportMinimum = null; e.chart.options.axisX[0].viewportMaximum = null; e.chart.render(); } },
Please take a look at this JSFiddle for complete working code.
___________ Indranil Deo Team CanvasJS