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 PieDrilldown()
        {            
            return View();
        }
    }
}

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

@using Highsoft.Web.Mvc.Charts

    @(Html.Highsoft().GetHighcharts(
        new Highcharts
        {
            Title = new Title
            {
                Text = "Browser market shares. January, 2015 to May, 2015"
            },
            Subtitle = new Subtitle
            {
                Text = "Click the columns to view versions. Source: <a href='http://netmarketshare.com'>netmarketshare.com</a>."
            },
            XAxis = new List<XAxis>
            {
                new XAxis
                {
                    Type = XAxisType.Category
                }
            },
            YAxis = new List<YAxis>
            {
                new YAxis 
                {
                    Title = new YAxisTitle
                    {
                        Text = "Total percent market share"   
                    }
                }
            },
            Legend = new Legend
            {
                Enabled = false
            },
            Tooltip = new Tooltip
            {
                HeaderFormat = "<span style='font-size:11px'>{series.name}</span><br>",
                PointFormat = "<span style=\"color:{point.color}\">{point.name}</span>: <b>{point.y:.2f}%</b> of total<br/>"
            },

            PlotOptions = new PlotOptions
            {
                Series = new PlotOptionsSeries
                {
                    DataLabels = new PlotOptionsSeriesDataLabels
                    {
                        Enabled = true,
                        Format = "{point.name}: {point.y:.1f}%"
                    }
                }
            },
            Series = new List<Series>
            {                
                new PieSeries
                {
                    Name = "Brands",
                    Data = new List<PieSeriesData>
                    {
                        new PieSeriesData { Name = "Microsoft Internet Explorer", Y = 56.3, Drilldown = "Microsoft Internet Explorer" },
                        new PieSeriesData { Name = "Chrome", Y = 24.03, Drilldown = "Chrome" },
                        new PieSeriesData { Name = "Firefox", Y = 10.3, Drilldown = "Firefox" },
                        new PieSeriesData { Name = "Sfari", Y = 4.77, Drilldown = "Safari" },
                        new PieSeriesData { Name = "Opera", Y = 0.91, Drilldown = "Opera" },
                        new PieSeriesData { Name = "Proprietary or Undetectable", Y = 0.2, Drilldown = null }                       
                    }  
                }                
            },
            Drilldown = new Drilldown
            {                
                Series = new List<Series>
                {
                    new PieSeries
                    {
                        Name = "Microsoft Internet Explorer",
                        Id = "Microsoft Internet Explorer",
                        Data = new List<PieSeriesData>
                        {
                            new PieSeriesData { Name = "v11.0", Y = 24.13 },
                            new PieSeriesData { Name = "v8.0", Y = 17.2 },
                            new PieSeriesData { Name = "v9.0", Y = 8.11 },
                            new PieSeriesData { Name = "v11.0", Y = 24.13 },
                            new PieSeriesData { Name = "v10.0", Y = 5.33 },
                            new PieSeriesData { Name = "v6", Y = 1.06 },
                            new PieSeriesData { Name = "v7", Y = 0.5 }
                        }
                    },
                    new PieSeries
                    {
                        Name = "Chrome",
                        Id = "Chrome",
                        Data = new List<PieSeriesData>
                        {
                            new PieSeriesData { Name = "v40.0", Y = 5 },
                            new PieSeriesData { Name = "v41", Y = 4.32 },
                            new PieSeriesData { Name = "v42", Y = 3.68 },
                            new PieSeriesData { Name = "v39", Y = 2.96 },
                            new PieSeriesData { Name = "v36", Y = 2.54 },
                            new PieSeriesData { Name = "v43", Y = 1.45 },
                            new PieSeriesData { Name = "v31", Y = 1.24 }
                        }
                    },
                    new PieSeries
                    {
                        Name = "Firefox",
                        Id = "Firefox",
                        Data = new List<PieSeriesData>
                        {
                            new PieSeriesData { Name = "v35", Y = 7.32 },
                            new PieSeriesData { Name = "v36", Y = 5.32 },
                            new PieSeriesData { Name = "v37", Y = 4.68 },
                            new PieSeriesData { Name = "v34", Y = 3.96 },
                            new PieSeriesData { Name = "v38", Y = 2.54 },
                            new PieSeriesData { Name = "v31", Y = 1.45 },
                            new PieSeriesData { Name = "v32", Y = 1.24 }
                        }
                    },
                    new PieSeries
                    {
                        Name = "Safari",
                        Id = "Safari",
                        Data = new List<PieSeriesData>
                        {
                            new PieSeriesData { Name = "v8", Y = 9.32 },
                            new PieSeriesData { Name = "v7.1", Y = 7.12 },
                            new PieSeriesData { Name = "v5.1", Y = 6.92 },
                            new PieSeriesData { Name = "v5.0", Y = 6.71 },
                            new PieSeriesData { Name = "v6.1", Y = 5.44 },
                            new PieSeriesData { Name = "v7.0", Y = 4.32 },
                            new PieSeriesData { Name = "v6.2", Y = 3.24 }
                        }
                    },
                    new PieSeries
                    {
                        Name = "Opera",
                        Id = "Opera",
                        Data = new List<PieSeriesData>
                        {
                            new PieSeriesData { Name = "v12.x", Y = 5 },
                            new PieSeriesData { Name = "v28", Y = 4.32 },
                            new PieSeriesData { Name = "v27", Y = 2.15 },
                            new PieSeriesData { Name = "v29", Y = 0.16 }
                        }
                    },
                }
            }
        }
        , "chart")
    )