http://blogs.msdn.com/mikeormond/archive/2007/01/31/the-asp-net-updatepanel-and-performance.aspxI was chatting with someone at the event Mark and I did earlier today about the UpdatePanel in ASP.NET AJAX and I realised afterwards that I may have given a rather pessimistic view of performance so let me correct that here. The gentlemen was primarilyen-GBCommunityServer 2.1 SP1 (Build: 61025.2)http://blogs.msdn.com/mikeormond/archive/2007/01/31/the-asp-net-updatepanel-and-performance.aspx#1570114Thu, 01 Feb 2007 09:01:26 GMT91d46819-8472-40ad-a661-2c78acb4018c:1570114Be Geek My Friend<p>Hoy en cosas interesantes: Microsoft SQL Server 2005 Reporting Services Add-in for Microsoft SharePoint</p> http://blogs.msdn.com/mikeormond/archive/2007/01/31/the-asp-net-updatepanel-and-performance.aspx#1571791Thu, 01 Feb 2007 13:25:58 GMT91d46819-8472-40ad-a661-2c78acb4018c:1571791Mike Ormond's WebLog<p>Phil Winstanley (Plip) tried to leave the following comment relating to my blog post about UpdatePanel</p> http://blogs.msdn.com/mikeormond/archive/2007/01/31/the-asp-net-updatepanel-and-performance.aspx#1684600Thu, 15 Feb 2007 19:42:58 GMT91d46819-8472-40ad-a661-2c78acb4018c:1684600toy<p>mike - </p> <p>can we take a look at the source for the demo site?</p> <p>if yes - where is it?</p>http://blogs.msdn.com/mikeormond/archive/2007/01/31/the-asp-net-updatepanel-and-performance.aspx#1684715Thu, 15 Feb 2007 20:09:25 GMT91d46819-8472-40ad-a661-2c78acb4018c:1684715MikeOrmond<p>Sure you can. You can find it in my blog post of 2nd Feb (<a rel="nofollow" target="_new" href="http://blogs.msdn.com/mikeormond/archive/2007/02/02/asp-net-ajax-demo-site.aspx">http://blogs.msdn.com/mikeormond/archive/2007/02/02/asp-net-ajax-demo-site.aspx</a>). The page I used was the Templates.aspx page in the 02_UpdatePanel folder. In the UpdatePane, comment out the random number generator (that's just for demo purposes to show fictitious prices) and uncomment the binding expression. The styling and layout of the site are different from the one I tested (I used my original site before modifying it for download) but you should see very similar results. Mike</p>