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The ASP.NET Core Radar Chart visualizes data in terms of values and angles. It provides options for visual comparison between several quantitative or qualitative aspects of a situation. It supports interactive features such as selection and tooltip.

Inverted axis

The ASP.NET Core Radar Chart provides an option to reverse the axis labels and ticks. This swaps the higher and lower ranges of an axis.

Start angle

Customize the start angle of the chart to rotate it.


Mark data points with built-in shapes such as circles, rectangles, ellipses, vertical lines, horizontal lines, diamonds, triangles, pentagons, crosses, and pluses. In addition to these shapes, use images to make the points more attractive.

Data label

Data labels display information about data points. Add a template to display data labels with HTML elements such as images, DIV, and spans for more informative data labels. You can rotate a data label by its given angle.

Chart types

Supports different types of series like line, column, spline, range area, scatter, and stacked area.

Wind Rose Chart

You can create a wind rose chart with the help of stacked column series in polar and radar charts.

ASP.NET Core Radar Chart Code Example

Easily get started with ASP.NET Core Radar Chart by using a few lines of CSHTML and C# code, as demonstrated below. Also explore our ASP.NET Core Radar Chart Example that shows how to render and configure the chart.

<ejs-chart id="container">

<e-chart-primaryxaxis valueType="Category">
    <e-series name="series1" drawType="@Syncfusion.EJ2.Charts.ChartDrawType.Line" xName="xValue" yName="yValue" dataSource="ViewBag.dataSource" type="@Syncfusion.EJ2.Charts.ChartSeriesType.Radar">

public class HomeController : Controller
    public ActionResult Index()
        List<PolarData> chartData = new List<PolarData>
                new PolarData { xValue = "2014", yValue = 21 },
                new PolarData { xValue = "2015", yValue = 24 },
                new PolarData { xValue = "2016", yValue = 36 },
                new PolarData { xValue = "2017", yValue = 38 },
                new PolarData { xValue = "2018", yValue = 54 },
                new PolarData { xValue = "2019", yValue = 57 },
                new PolarData { xValue = "2020", yValue = 70 },
        ViewBag.dataSource = chartData;
        return View();
public class PolarData
    public string xValue;
    public double yValue;

Learning Resources


Radar Chart User Guide

Learn the available options to customize the ASP.NET Core Radar chart.


Radar Chart API Reference

Explore the ASP.NET Core Radar chart APIs.


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