Silverlight从程序集读取xaml文件

             StreamResourceInfo sri = Application.GetResourceStream(new Uri("HowTo;component/Page.xaml" , UriKind.Relative));
             StreamReader sr = new StreamReader(sri.Stream);
             txtReadxml.Text = sr.ReadToEnd();

{1};component/{2}
1为程序集的名字
2为想读取的页面
page.xaml:

<UserControl x:Class="HowTo.Page"
     xmlns ="http://schemas.microsoft.com/client/2007"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
     Width="400" Height="300">
     <Grid x:Name="LayoutRoot" Background="White">
         <TextBlock x:Name="txtReadxml"></TextBlock>
     </Grid>
</UserControl>