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Load Dynamic XAML

<UserControl x:Class='SilverlightApplication3.MainPage'     xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation'      xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'     xmlns:d='http://schemas.microsoft.com/expression/blend/2008'      xmlns:mc='http://schemas.openxmlformats.org/markup-compatibility/2006'      mc:Ignorable='d'      d:DesignWidth='640'      d:DesignHeight='480'     Loaded="UserControl_Loaded">     <Grid x:Name="LayoutRoot"            Background="White"            ShowGridLines="True">         <Grid.ColumnDefinitions>             <ColumnDefinition/>             <ColumnDefinition/>         </Grid.ColumnDefinitions>         <Grid.RowDefinitions>             <RowDefinition/>             <RowDefinition/>         </Grid.RowDefinitions>         <Button x:Name="btnOK"                  Content="OK"                 Grid.Column="0"                 Grid.Row="0" />         <Canvas x:Name="dynamicXamlPlaceholder"                 Grid.Column="1"                 Grid.Row="0" />         <TextBox Text="The Text"                  Grid.Column="1"                  Grid.Row="1"                   Height="20"                  Width="200"/>     </Grid> </UserControl> //File: Page.xaml.cs using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; using System.Windows.Markup; namespace SilverlightApplication3 {     public partial class MainPage : UserControl     {         public MainPage()         {             InitializeComponent();         }         private void UserControl_Loaded(object sender, RoutedEventArgs e)         {             this.AddDynamicXaml();         }         private void AddDynamicXaml()         {             string xaml = "<Button xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation' " + " Content='Test' />";             object rootNode = XamlReader.Load(xaml);             Canvas canvas = (Canvas)this.FindName("dynamicXamlPlaceholder");             canvas.Children.Add((UIElement)rootNode);         }     } }