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 PieSemiCircle()
        {
            List<PieSeriesData> pieData = new List<PieSeriesData>();

            pieData.Add(new PieSeriesData { Name = "FireFox", Y = 45.0 });
            pieData.Add(new PieSeriesData { Name = "IE", Y = 26.8 });
            pieData.Add(new PieSeriesData { Name = "Chrome", Y = 12.8, Sliced = true, Selected = true });
            pieData.Add(new PieSeriesData { Name = "Safari", Y = 8.5 });
            pieData.Add(new PieSeriesData { Name = "Opera", Y = 6.2 });
            pieData.Add(new PieSeriesData { Name = "Others", Y = 0.7 });

            ViewData["pieData"] = pieData;

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

@{ var chartOptions =
      new Highcharts
      {
          Chart = new Highsoft.Web.Mvc.Charts.Chart
          {
              PlotBackgroundColor = null,
              PlotBorderWidth = 0,
              PlotShadow = new Shadow
              {
                  Enabled = false
              }
          },
          Title = new Title
          {
              Text = "Browser<br>shares<br>2015",
              Align = TitleAlign.Center,
              VerticalAlign = TitleVerticalAlign.Middle,
              Y = 40
          },
          Tooltip = new Tooltip
          {
              PointFormat = "{series.name}: <b>{point.percentage:.1f}%</b>"
          },
          PlotOptions = new PlotOptions
          {
              Pie = new PlotOptionsPie
              {
                  DataLabels = new Hashtable { { "enabled", true }, { "distance", -50 }, { "color", "#FFFFFF" },
                    { "shadow", new Hashtable { {"enabled", true }, { "width", 10 }, { "color", "#000000" }, { "offsetX", 0 }, { "OffsetY", 0 } } }

                              },
                  StartAngle = -90,
                  EndAngle = 90,
                  Center = new string[] { "50%", "75%" }
              }
          },
          Series = new List<Series>
              {
                new PieSeries
                {
                    Name = "Browser Share",
                    InnerSize = "50%",
                    Data = @ViewData["pieData"] as List<PieSeriesData>
                },

                              }
      };

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

@Html.Raw(renderer.RenderHtml())