MVC - Charting - Create simple chart

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Controller

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.UI.DataVisualization.Charting;
using System.IO;
using System.Text;
using System.Drawing;

namespace MVCCharting.Controllers
{
    public class HomeController : Controller
    {

        public ActionResult Chrt1()
        {
            var data = new Dictionary<string, float>
            {
                {"test1", 10.1f },
                {"test2", 1.1f },
                {"test3", 22.3f },
                 {"test4", 30.1f },
                {"test5", 13.1f },
                {"test6", 82.3f }
            };
            var chart = new Chart();
            var area = new ChartArea();
            chart.ChartAreas.Add(area);
            var series = new Series();
            foreach (var item in data)
            {
                series.Points.AddXY(item.Key, item.Value);
            }
            series.Label = "Some Label";
            series.Font = new Font("Arial", 10.0f, FontStyle.Bold);
            series.ChartType = SeriesChartType.Column;
            series["PieLabelStyle"] = "Outside";
            chart.Series.Add(series);
            var returnStream = new MemoryStream();
            chart.ImageType = ChartImageType.Png;
            chart.SaveImage(returnStream);
            returnStream.Position = 0;
            return new FileStreamResult(returnStream, "image/png");
        }

View

@{
    ViewBag.Title = "Chrt1";
}

<h2>Chrt1</h2>

<img src="@Url.Action("Chrt1")" />