http://forums.silverlight.net/forums/28.aspxFound a bug in Silverlight? Use this forum to describe the bug and the code or steps to reproduce it.enCommunityServer 2007 (Build: 20416.853)http://forums.silverlight.net/forums/thread/237657.aspxThu, 25 Jun 2009 07:45:18 GMTd0d632c8-a6f7-4f68-b0ce-26aaafd62132:237657nkmoore0http://forums.silverlight.net/forums/thread/237657.aspxhttp://forums.silverlight.net/forums/commentrss.aspx?SectionID=28&PostID=237657<p>&nbsp;I&#39;m also having the same issue, as far as I can tell it seems to be a bug in VS2008 with Silverlight.&nbsp; It looks like the preview breaks if you have a style in app.xaml that has a TargetType of a control that lives in a different namespace to the default one.&nbsp; Is there a fix or a work around for this as it&#39;s seriously annoying to not have a preview ?<br /></p>http://forums.silverlight.net/forums/thread/224475.aspxTue, 26 May 2009 08:26:56 GMTd0d632c8-a6f7-4f68-b0ce-26aaafd62132:224475kiener0http://forums.silverlight.net/forums/thread/224475.aspxhttp://forums.silverlight.net/forums/commentrss.aspx?SectionID=28&PostID=224475<p>I&#39;m having the same problem too.</p>http://forums.silverlight.net/forums/thread/218803.aspxTue, 12 May 2009 16:17:54 GMTd0d632c8-a6f7-4f68-b0ce-26aaafd62132:218803tobidobi0http://forums.silverlight.net/forums/thread/218803.aspxhttp://forums.silverlight.net/forums/commentrss.aspx?SectionID=28&PostID=218803<p>Yes, me having the exact same problem: &quot;Invalid attribute value controls:TabControl for property TargetType&quot;.</p><p>What am I doing wrong?? <br /></p>http://forums.silverlight.net/forums/thread/212069.aspxSun, 26 Apr 2009 15:29:47 GMTd0d632c8-a6f7-4f68-b0ce-26aaafd62132:212069micke_b0http://forums.silverlight.net/forums/thread/212069.aspxhttp://forums.silverlight.net/forums/commentrss.aspx?SectionID=28&PostID=212069<p>I have the excat same problem, and I done excatly above, problem remains ...</p> <p>&nbsp;What more can it be ?</p>http://forums.silverlight.net/forums/thread/116655.aspxFri, 24 Oct 2008 08:14:38 GMTd0d632c8-a6f7-4f68-b0ce-26aaafd62132:116655Amanda Wang - MSFT0http://forums.silverlight.net/forums/thread/116655.aspxhttp://forums.silverlight.net/forums/commentrss.aspx?SectionID=28&PostID=116655<p>Hi,</p> <p>You need to add the System.Windows.Controls assembly for the app.xaml and usercontrol xaml file, for example:</p> <p>1. Add the&nbsp; assembly for the app.xaml file.</p> <p>&lt;Application xmlns=&quot;<a href="http://schemas.microsoft.com/winfx/2006/xaml/presentation">http://schemas.microsoft.com/winfx/2006/xaml/presentation</a>&quot;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xmlns:x=&quot;<a href="http://schemas.microsoft.com/winfx/2006/xaml">http://schemas.microsoft.com/winfx/2006/xaml</a>&quot; <br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; x:Class=&quot;scroll.App&quot;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<strong> xmlns:local=&quot;clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls&quot; <br /></strong>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xmlns:vsm=&quot;clr-namespace:System.Windows;assembly=System.Windows&quot;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xmlns:primitives=&quot;clr-namespace:System.Windows.Controls.Primitives;assembly=System.Windows.Controls&quot;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &gt;<br />&nbsp;&nbsp;&nbsp; &lt;Application.Resources&gt;</p> <p>&nbsp;2. Add the&nbsp; assembly for the usercontrol&#39;s&nbsp; xaml file.</p> <p>&lt;UserControl <strong>xmlns:local=&quot;clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls&quot;&nbsp; <br /></strong>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; xmlns:my2=&quot;clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Data&quot;&nbsp; x:Class=&quot;scroll.Page&quot;<br />&nbsp;&nbsp;&nbsp; xmlns=&quot;<a href="http://schemas.microsoft.com/winfx/2006/xaml/presentation">http://schemas.microsoft.com/winfx/2006/xaml/presentation</a>&quot; <br />&nbsp;&nbsp;&nbsp; xmlns:x=&quot;<a href="http://schemas.microsoft.com/winfx/2006/xaml">http://schemas.microsoft.com/winfx/2006/xaml</a>&quot; <br />&nbsp;&nbsp;&nbsp; Width=&quot;400&quot; Height=&quot;300&quot;&gt;<br />&nbsp;&nbsp;&nbsp; &lt;Grid x:Name=&quot;LayoutRoot&quot; Background=&quot;White&quot;&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;<strong>local:TabControl</strong> x:Name=&quot;tabcontrol&quot; Style=&quot;{StaticResource newTabControlStyle}&quot; &gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;<strong>local:TabItem</strong>&nbsp; x:Name=&quot;tabitemFee&quot; Header=&quot;first&quot; Style=&quot;{StaticResource newTabItemStyle}&quot; &gt;&lt;/local:TabItem&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;local:TabItem&nbsp; x:Name=&quot;secon&quot; Header=&quot;first&quot; Style=&quot;{StaticResource newTabItemStyle}&quot; &gt;&lt;/local:TabItem&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;local:TabItem&nbsp; x:Name=&quot;third&quot; Header=&quot;first&quot; Style=&quot;{StaticResource newTabItemStyle}&quot; &gt;&lt;/local:TabItem&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;local:TabItem&nbsp; x:Name=&quot;forth&quot; Header=&quot;first&quot; Style=&quot;{StaticResource newTabItemStyle}&quot; &gt;&lt;/local:TabItem&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &lt;/local:TabControl&gt;<br />&nbsp;&nbsp;&nbsp; &lt;/Grid&gt;<br />&lt;/UserControl&gt;</p>http://forums.silverlight.net/forums/thread/115101.aspxWed, 22 Oct 2008 10:27:09 GMTd0d632c8-a6f7-4f68-b0ce-26aaafd62132:115101mr.saif0http://forums.silverlight.net/forums/thread/115101.aspxhttp://forums.silverlight.net/forums/commentrss.aspx?SectionID=28&PostID=115101<p>futhermore I am using SL2 RTW release.. I have implemented styles to some other controls DataGrid, listBox, button, etc. they worked fine. But using tabControl style throws above metion exception, I think may be i am missing some reference or something?...I am stuck with this problem for last 2 days <img src="http://silverlight.net/emoticons/emotion-6.gif" alt="Sad" />.</p>http://forums.silverlight.net/forums/thread/115071.aspxWed, 22 Oct 2008 09:49:21 GMTd0d632c8-a6f7-4f68-b0ce-26aaafd62132:115071mr.saif0http://forums.silverlight.net/forums/thread/115071.aspxhttp://forums.silverlight.net/forums/commentrss.aspx?SectionID=28&PostID=115071<p>I have added style for TabControl, downloaded from msdn(<a href="http://msdn.microsoft.com/en-us/library/cc645035(VS.95).aspx">http://msdn.microsoft.com/en-us/library/cc645035(VS.95).aspx</a>), in app.xaml. whenever i run my application it throws following exception.</p> <p>&quot;Invalid attribute value local:TabControl for property TargetType. [Line: 643 Position: 26] &quot;.<br /></p>