Code for chart control in asp.net mvc

Try this code
 var bytes = new Chart(width: 400, height: 800)
           .AddSeries(
            chartType: "bar",
            xValue: new[] { "Math", "English", "Computer", "Urdu" },
            yValues: new[] { "60", "70", "68", "88" })
           .GetBytes("png");
           return File(bytes, "image/png");