using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using Highsoft.Web.Mvc.Charts;


namespace MVC_Demo.Areas.Highcharts.Controllers.Shared
{
    public partial class SharedController : Controller
    {
        public ActionResult ComboDualAxes()
        {
            List<double?> rainValues = new List<double?> { 49.9, 71.5, 106.4, 129.2, 144.0, 176.0, 135.6, 148.5, 216.4, 194.1, 95.6, 54.4 };
            List<double?> temperatureValues = new List<double?> { 7.0, 6.9, 9.5, 14.5, 18.2, 21.5, 25.2, 26.5, 23.3, 18.3, 13.9, 9.6 };

            List<ColumnSeriesData> rainData = new List<ColumnSeriesData>();            
            List<SplineSeriesData> temperatureData = new List<SplineSeriesData>();
            
            rainValues.ForEach(p => rainData.Add(new ColumnSeriesData { Y = p }));
            temperatureValues.ForEach(p => temperatureData.Add(new SplineSeriesData { Y = p }));

            ViewData["rainData"] = rainData;
            ViewData["temperatureData"] = temperatureData;            

            return View();
        }
    }
}

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>

@using Highsoft.Web.Mvc.Charts
@using System.Collections.Specialized
@using Highsoft.Web.Mvc.Charts.Rendering

@{ var chartOptions = new Highcharts
    {
        Chart = new Highsoft.Web.Mvc.Charts.Chart
        {
            ZoomType = ChartZoomType.Xy
        },
        Title = new Title
        {
            Text = "Average Monthly Temperature and Rainfall in Tokyo"
        },
        Subtitle = new Subtitle
        {
            Text = "Source: WorldClimate.com"
        },
        XAxis = new List<XAxis>
    {
                new XAxis
                {
                    Categories = new List<string> { "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }
                }
            },
        YAxis = new List<YAxis>
    {
                new YAxis
                {
                    Labels = new YAxisLabels
                    {
                        Format = "{value}°C",
                    },
                    Title = new YAxisTitle
                    {
                        Text = "Temperature"
                    }
                },
                new YAxis
                {
                    Id = "RainAxes",
                    Title = new YAxisTitle
                    {
                        Text = "Rainfall"
                    },
                    Labels = new YAxisLabels
                    {
                        Format = "{value} mm"
                    },
                    Opposite = true
                }
            },
        Tooltip = new Tooltip
        {
            Shared = true
        },
        Legend = new Legend
        {
            Layout = LegendLayout.Vertical,
            Align = LegendAlign.Left,
            X = 120,
            Y = 100,
            VerticalAlign = LegendVerticalAlign.Top,
            Floating = true
        },
        Series = new List<Series>
    {
                new ColumnSeries
                {
                    Name = "Rainfall",
                    YAxis = "RainAxes",
                    Tooltip = new ColumnSeriesTooltip
                    {
                        ValueSuffix = " mm"
                    },
                    Data = @ViewData["rainData"] as List<ColumnSeriesData>
                },
                new SplineSeries
                {
                    Name = "Temerature",
                    Tooltip = new SplineSeriesTooltip
                    {
                        ValueSuffix = "°C"
                    },
                    Data = @ViewData["temperatureData"] as List<SplineSeriesData>,
                }
            }
    };

    chartOptions.ID = "chart";
    var renderer = new HighchartsRenderer(chartOptions);
}

@Html.Raw(renderer.RenderHtml())