ASP.NET ImageButton OnClientClick 屬性

<script runat="server">
Sub script1(obj As Object, e As ImageClickEventArgs)
??lblMsg.Text="Hello!"
End Sub
</script>

<form runat="server">
<asp:ImageButton OnClick="script1" OnClientClick="script2()"
ImageUrl="img.gif" runat="server" />
<br />
<asp:label id="lblMsg" runat="server" />
</form>

<script>
function script2()
??{
??return confirm('Hello!');
??}
</script>