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if i select the Options of Reduce XAP size by using application library caching , the XamlDataProvider not working,
<Grid x:Name="LayoutRoot" Background="White">
<telerikXaml:XamlDataProvider RichTextBox="{Binding ElementName=radRichTextBox}" Xaml="{Binding Path=Text,ElementName=Txt_xaml,Mode=TwoWay}"></telerikXaml:XamlDataProvider>
<telerik:RadRichTextBox x:Name="radRichTextBox" DocumentInheritsDefaultStyleSettings="True" HorizontalAlignment="Left" Height="150" HorizontalScrollBarVisibility="Hidden" IsSpellCheckingEnabled="False" Margin="65,115,0,0" VerticalScrollBarVisibility="Hidden" VerticalAlignment="Top" Width="255"/>
<TextBlock Name="Txt_xaml" HorizontalAlignment="Left" Margin="80,35,0,0" TextWrapping="Wrap" Text="TextBlock" VerticalAlignment="Top" Width="150" Height="40"/>
</Grid>
<Grid x:Name="LayoutRoot" Background="White">
<telerikXaml:XamlDataProvider RichTextBox="{Binding ElementName=radRichTextBox}" Xaml="{Binding Path=Text,ElementName=Txt_xaml,Mode=TwoWay}"></telerikXaml:XamlDataProvider>
<telerik:RadRichTextBox x:Name="radRichTextBox" DocumentInheritsDefaultStyleSettings="True" HorizontalAlignment="Left" Height="150" HorizontalScrollBarVisibility="Hidden" IsSpellCheckingEnabled="False" Margin="65,115,0,0" VerticalScrollBarVisibility="Hidden" VerticalAlignment="Top" Width="255"/>
<TextBlock Name="Txt_xaml" HorizontalAlignment="Left" Margin="80,35,0,0" TextWrapping="Wrap" Text="TextBlock" VerticalAlignment="Top" Width="150" Height="40"/>
</Grid>