http://developers.de/blogs/damir_dobric/archive/2009/03/02/designer-issue-in-silverlight.aspxI found a very &quot;funny&quot; issue in Silverlight, which cause designer to stop working. Because, such things make me crazy, hope this post will help you save you time. If you have a page with some custom user control, which works properly, but designedenCommunityServer 2008 SP1 (Build: 30619.63)http://developers.de/blogs/damir_dobric/archive/2009/03/02/designer-issue-in-silverlight.aspx#4544Fri, 20 Mar 2009 20:24:28 GMT7e491611-45ad-4dae-a68f-c4cb64439510:4544Xhizors<p>Good post, admin.</p><div style="clear:both;"></div><img src="http://developers.de/aggbug.aspx?PostID=4544" width="1" height="1">