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 ColumnNegative()
        {
            List<double?> johnValues = new List<double?> { 5, 3, 4, 7, 2 };
            List<double?> janeValues = new List<double?> { 2, -2, -3, 2, 1 };
            List<double?> joeValues = new List<double?> { 3, 4, 4, -2, 5 };

            List<ColumnSeriesData> johnData = new List<ColumnSeriesData>();
            List<ColumnSeriesData> janeData = new List<ColumnSeriesData>();
            List<ColumnSeriesData> joeData = new List<ColumnSeriesData>();

            johnValues.ForEach(p => johnData.Add(new ColumnSeriesData { Y = p }));
            janeValues.ForEach(p => janeData.Add(new ColumnSeriesData { Y = p }));
            joeValues.ForEach(p => joeData.Add(new ColumnSeriesData { Y = p }));

            ViewData["johnData"] = johnData;
            ViewData["janeData"] = janeData;
            ViewData["joeData"] = joeData;

            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

@{ var chartOptions = new Highcharts
    {
        Title = new Title
        {
            Text = "Column chart with negative values"
        },
        XAxis = new List<XAxis>
        {
                new XAxis
                {
                    Categories = new List<string> { "Apples", "Oranges", "Pears", "Grapes", "Bananas" }
                }
                        },
        Credits = new Credits
        {
            Enabled = false
        },
        Series = new List<Series>
        {
                new ColumnSeries
                {
                    Name = "John",
                Data = @ViewData["johnData"] as List<ColumnSeriesData>
            },
            new ColumnSeries
            {
                Name = "Jane",
                Data = @ViewData["janeData"] as List<ColumnSeriesData>
            },
            new ColumnSeries
            {
                Name = "Joe",
                Data = @ViewData["joeData"] as List<ColumnSeriesData>
    }
    }
    };

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

@Html.Raw(renderer.RenderHtml())