http://morewally.com/cs/blogs/wallym/archive/2008/08/24/extra-whitepsace-line-when-using-the-asp-net-ajax-updatepanel.aspxHave you been getting an extra line or added whitepsace when using the ASP.NET AJAX UpdatePanel? I recently was. To me, it wasn't a big deal, but I knew the customer wouldn't like it. I spent some time hunting down this issue. I found some entriesenCommunityServer 2007 SP2 (Build: 20611.960)