how to refresh updatePanel with asp.net Timer control only once?
<pre><code>&lt;asp:ScriptManager ID="ScriptManager1" runat="server"&gt;&lt;/asp:ScriptManager&gt;
        &lt;asp:Timer ID="Timer1" runat="server" Interval="100" OnTick="Timer1_Tick"&gt;&lt;/asp:Timer&gt;

        &lt;asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional"&gt;
            &lt;Triggers&gt;
                &lt;asp:AsyncPostBackTrigger ControlID="Timer1" EventName="Tick" /&gt;
            &lt;/Triggers&gt;
            &lt;ContentTemplate&gt;
                   // my code is here
            &lt;/ContentTemplate&gt;
        &lt;/asp:UpdatePane&gt;
</code></pre>

<p>above code refresh update panel in the period time.</p>