源代码:
<html> <body> <form runat="server"> <p>Click on the image:</p> <asp:ImageButton runat="server" ImageUrl="smiley.gif" OnClick="getCoordinates"/> <p><asp:label id="mess" runat="server"/></p> </form> </body> </html>
运行结果：
<html> <body> <form runat="server"> <p>Click on the image:</p> <asp:ImageButton runat="server" ImageUrl="smiley.gif" OnClick="getCoordinates"/> <p><asp:label id="mess" runat="server"/></p> </form> </body> </html>