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    <p>I fiddled around with the ScriptManager suggestions - which I reckon I would have eventually got working but it seems to me that the Timer idea is easier to implement and not really(!) that much of a hack?!</p> <p>Here's how I got my panel updated <em>after</em> the initial page render was complete...</p> <p>default.aspx</p> <pre><code> &lt;%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="AJAXPostLoadCall._Default" %&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml" &gt; &lt;head runat="server"&gt; &lt;title&gt;Untitled Page&lt;/title&gt; &lt;/head&gt; &lt;body&gt; &lt;form id="form1" runat="server"&gt; &lt;h2&gt;And now for a magic trick...&lt;/h2&gt; &lt;asp:ScriptManager ID="ScriptManager1" runat="server" EnablePartialRendering="True"&gt; &lt;/asp:ScriptManager&gt; &lt;div&gt; &lt;asp:UpdatePanel ID="UpdatePanel1" runat="server"&gt; &lt;ContentTemplate&gt; &lt;asp:Timer ID="Timer1" runat="server" Interval="2000" ontick="Timer1_Tick" /&gt; &lt;asp:Label ID="Label1" runat="server"&gt;Something magic is about to happen...&lt;/asp:Label&gt; &lt;/ContentTemplate&gt; &lt;/asp:UpdatePanel&gt; &lt;/div&gt; &lt;/form&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>and the code behind default.aspx.cs reads</p> <pre><code>using System; using System.Collections; using System.Configuration; using System.Data; using System.Linq; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.HtmlControls; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Xml.Linq; namespace AJAXPostLoadCall { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } public void DoMagic() { Label1.Text = "Abracadabra"; } protected void Timer1_Tick(object sender, EventArgs e) { // Do the magic, then disable the timer DoMagic(); Timer1.Enabled = false; } } } </code></pre> <p>So, the page loads up and the Timer (contained within the UpdatePanel) fires 2 secs after the page has loaded up (I think - I'm not sure when the Timer actually starts?). The label text is rewritten and then the Timer is disabled to stop any more updates.</p> <p>Simple enough - but can you purists out there tell me if this is a Horrible Hack?</p>
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