Sub button1(Source As Object, e As ImageClickEventArgs)
p1.InnerHtml="You clicked the on button!"
Sub button2(Source As Object, e As ImageClickEventArgs)
p1.InnerHtml="You clicked the off button!"
<input type="image" src="/img/eg_bulbon.gif"
OnServerClick="button1" runat="server" width="45" height="60" />
<input type="image" src="/img/eg_bulboff.gif"
OnServerClick="button2" runat="server" width="45" height="60" />
<p id="p1" runat="server" />