ajax之updatePanel控件(实例)

<asp:ScriptManager ID="ScriptManager1" runat="server" /> UodatePanel1代码如下： <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional">    <ContentTemplate>        updatePanel1<br />        <strong>Timer<br /></strong>        <asp:Label ID="Label1" runat="server" Text="Label1" ForeColor="Blue"></asp:Label>&nbsp;        <br />        <span style="font-size: 9pt">(拖放一个Timer到此，设其Interval为1000，即１秒刷新一次)</span>         </ContentTemplate>    <Triggers>        <asp:AsyncPostBackTrigger Co