ASP.NET - How to draw a polygon

Draw a polygon
HowToDrawPolygon.aspx

<%@ Page Language="C#" AutoEventWireup="true" %>
<%@ Import Namespace="System.Drawing" %>
<%@ Import Namespace="System.Drawing.Text" %>
<%@ Import Namespace="System.Drawing.Drawing2D" %>
<%@ Import Namespace="System.Drawing.Imaging" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
    protected void Button1_Click(object sender, System.EventArgs e)
    {
        Bitmap bmp = new Bitmap(500,250);
        Graphics g = Graphics.FromImage(bmp);
        g.Clear(Color.IndianRed);

        Pen snowPen = new Pen(Color.Snow, 2);

        Point p1 = new Point(25,125);
        Point p2 = new Point(100,50);
        Point p3 = new Point(175,75);
        Point p4 = new Point(225,145);
        Point p5 = new Point(275,100);
        Point p6 = new Point(150,150);
        Point p7 = new Point(400,65);

        Point[] pointArray = { p1,p2,p3,p4,p5,p6,p7 };
        
        g.DrawPolygon(snowPen,pointArray);
        //g.DrawPolygon(Pen, Point());

        String path = Server.MapPath("~/Image/DrawPolygon.jpg");
        bmp.Save(path,ImageFormat.Jpeg);

        Image1.ImageUrl = "~/Image/DrawPolygon.jpg";
        g.Dispose();
        bmp.Dispose();
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>asp.net graphics (GDI+) - how to draw a polygon</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <h2 style="color:DodgerBlue; font-style:italic;">
            How to draw a polygon defined by an array of Point
            <br />structures in asp.net graphics (GDI+)
            <br />Graphics.DrawPolygon Method (Pen, Point())
        </h2>
        <hr width="500" align="left" color="DeepSkyBlue" />
        <asp:Image
             ID="Image1"
             runat="server"
             />
        <br />
        <asp:Button 
            ID="Button1"
            runat="server"
            OnClick="Button1_Click"
            Text="DrawPolygon"
            Height="45"
            Font-Bold="true"
            ForeColor="DodgerBlue"
            />
    </div>
    </form>
</body>
</html>
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