ASP.NET MVC Charts & Graphs with Multiple Axes

Download ASP.NET Chart Samples

CanvasJS ASP.NET MVC Charts support multiple axes. Given example shows Range Spline Area & Spline Chart with multiple axes along with ASP.NET MVC source code that you can try running locally.

@{
	Layout = null;
}

<!DOCTYPE HTML>
<html>
<head>
<script>
window.onload = function () {

var chart = new CanvasJS.Chart("chartContainer", {
	theme: "light1",
	animationEnabled: true,
	title: {
		text: "Blood Pressure & Body Temperature Readings over a Day"
	},
	axisY: {
		title: "Pressure (in mmHg)",
		maximum: 190,
		includeZero: true,
		gridThickness: 0
	},
	axisY2: {
		title: "Body Temperature (in °C)",
		suffix: " °C",
		gridThickness: 0
	},
	toolTip: {
		shared: true
	},
	data: [{
		type: "rangeSplineArea",
		xValueFormatString: "hh:MM TT",
		yValueFormatString: "# mmHg",
		toolTipContent: "{x}<br><b>Systolic:</b> {y[0]}<br><b>Diastolic:</b> {y[1]}",
		xValueType: "dateTime",
		dataPoints:  @Html.Raw(ViewBag.DataPoints1)
	}, {
		type: "spline",
		axisYType: "secondary",
		name: "Body Temperature",
		yValueFormatString: "#.0 °C",
		toolTipContent: "<b>{name}:</b> {y}",
		xValueType: "dateTime",
		dataPoints:  @Html.Raw(ViewBag.DataPoints2)
	}]
});
chart.render();

}
</script>
</head>
<body>
<div id="chartContainer" style="height: 370px; width: 100%;"></div>
<script src="https://cdn.canvasjs.com/canvasjs.min.js"></script>
</body>
</html>                              
using ASPNET_MVC_ChartsDemo.Models;
using Newtonsoft.Json;
using System.Collections.Generic;
using System.Web.Mvc;

namespace ASPNET_MVC_ChartsDemo.Controllers
{
	public class HomeController : Controller
	{
		// GET: Home
		public ActionResult Index()
		{
			List<DataPoint> dataPoints = new List<DataPoint>();

			dataPoints.Add(new DataPoint(1512441720000, new double[] { 120, 78 }));
			dataPoints.Add(new DataPoint(1512447240000, new double[] { 139, 89 }));
			dataPoints.Add(new DataPoint(1512453960000, new double[] { 139, 85 }));
			dataPoints.Add(new DataPoint(1512461700000, new double[] { 150, 95 }));
			dataPoints.Add(new DataPoint(1512466320000, new double[] { 130, 84 }));
			dataPoints.Add(new DataPoint(1512472020000, new double[] { 138, 87 }));
			dataPoints.Add(new DataPoint(1512475440000, new double[] { 127, 78 }));
			dataPoints.Add(new DataPoint(1512477540000, new double[] { 119, 76 }));
			dataPoints.Add(new DataPoint(1512482280000, new double[] { 135, 82 }));
			dataPoints.Add(new DataPoint(1512486900000, new double[] { 122, 78 }));
			dataPoints.Add(new DataPoint(1512490800000, new double[] { 115, 72 }));
			dataPoints.Add(new DataPoint(1512494160000, new double[] { 122, 75 }));

			ViewBag.DataPoints1 = JsonConvert.SerializeObject(dataPoints);

			dataPoints = new List<DataPoint>();
			dataPoints.Add(new DataPoint(1512441720000, 36.2));
			dataPoints.Add(new DataPoint(1512447240000, 36.5));
			dataPoints.Add(new DataPoint(1512453960000, 36.5));
			dataPoints.Add(new DataPoint(1512461700000, 36.4));
			dataPoints.Add(new DataPoint(1512466320000, 36.7));
			dataPoints.Add(new DataPoint(1512472020000, 36.8));
			dataPoints.Add(new DataPoint(1512475440000, 36.7));
			dataPoints.Add(new DataPoint(1512477540000, 36.9));
			dataPoints.Add(new DataPoint(1512482280000, 37.1));
			dataPoints.Add(new DataPoint(1512486900000, 37.2));
			dataPoints.Add(new DataPoint(1512490800000, 37.2));
			dataPoints.Add(new DataPoint(1512494160000, 37));

			ViewBag.DataPoints2 = JsonConvert.SerializeObject(dataPoints);

			return View();
		}
	}
}                        
using System;
using System.Runtime.Serialization;

namespace ASPNET_MVC_ChartsDemo.Models
{
	//DataContract for Serializing Data - required to serve in JSON format
	[DataContract]
	public class DataPoint
	{
		public DataPoint(double x, dynamic y)
		{
			this.X = x;
			this.Y = y;
		}

		//Explicitly setting the name to be used while serializing to JSON.
		[DataMember(Name = "x")]
		public Nullable<double> X = null;

		//Explicitly setting the name to be used while serializing to JSON.
		[DataMember(Name = "y")]
		public dynamic Y = null;
	}
}

Chart Customizations

axisXType / axisYType can be used to change the axis used for plotting a data-series. Some other commonly used customization options include axisXIndex, axisYIndex, showInLegend, etc.

Note   For step by step instructions, follow our ASP.NET MVC Integration Tutorial