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 Column3DNullValues()
        {
            List<double?> chartValues = new List<double?> { 2, 3, null, 4, 0, 5, 1, 4, 6, 3 };
            List<ColumnSeriesData> chartData = new List<ColumnSeriesData>();

            chartValues.ForEach(p => chartData.Add(new ColumnSeriesData { Y = p }));

            ViewData["chartData"] = chartData;          

            return View();
        }
    }
}

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

@*All Highcharts 3D charts requires the highcharts-3rd.js module*@

<script src="https://code.highcharts.com/highcharts-3d.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>

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

@{ var chartOptions = new Highcharts
    {
        Chart = new Highsoft.Web.Mvc.Charts.Chart
        {
            Margin = new double[1] { 75 },
            Options3d = new ChartOptions3d
            {
                Enabled = true,
                Alpha = 10,
                Beta = 25,
                Depth = 70
            }
        },
        Title = new Title
        {
            Text = "3D chart with null values"
        },
        Subtitle = new Subtitle
        {
            Text = "Notice the difference between a 0 value and a null point"
        },
        PlotOptions = new PlotOptions
        {
            Column = new PlotOptionsColumn
            {
                Depth = 25
            }
        },
        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
                {
                    Title = new YAxisTitle
                    {
                        Text = null
                    }
                }
            },
        Series = new List<Series>
    {
                new ColumnSeries
                {
                    Name = "Sales",
                    Data = @ViewData["chartData"] as List<ColumnSeriesData>
                }
            }
    };

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

@Html.Raw(renderer.RenderHtml())