ASP.NET Ajax程序设计—第I卷(第四章)

<asp:Label ID="lbText" runat="server"></asp:Label><br />

<asp:LinkButton ID="lbtnInside" runat="server" OnClick="lbtnInside_Click">

Set Text (Inside UpdatePanel)</asp:LinkButton>

</ContentTemplate>

</asp:UpdatePanel>

protected void lbtnOutside_Click(object sender, EventArgs e)

{

lbText.Text = "Set by outside button.";

}