<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="ImageMapTest" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> <asp:ImageMap ID="ImageMap1" runat="server" HotSpotMode="PostBack" ImageUrl="yourImage.png" OnClick="ImageMap1_Click"> <asp:CircleHotSpot AlternateText="DVDs" PostBackValue="DVDs" Radius="83" X="272" Y="83" /> <asp:CircleHotSpot AlternateText="Media" PostBackValue="Media" Radius="83" X="217" Y="221" /> <asp:CircleHotSpot AlternateText="CDs" PostBackValue="CDs" Radius="83" X="92" Y="173" /> </asp:ImageMap> <br /> <br /> <asp:Label ID="lblInfo" runat="server" Font-Bold="True" Font-Names="Verdana"></asp:Label> </div> </form> </body> </html> File: Default.aspx.cs using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; public partial class ImageMapTest : System.Web.UI.Page { protected void ImageMap1_Click(object sender, ImageMapEventArgs e) { lblInfo.Text = "You clicked " + e.PostBackValue; } }