Rotation Support or Automatic Multi-Orientation Layout Support for Windows Phone

SupportedPageOrientation.Portrait | SupportedPageOrientation.Landscape;

<Grid x:Name="LayoutRoot" 
          Background="{StaticResource PhoneBackgroundBrush}">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
        </Grid.RowDefinitions>
        <Grid x:Name="TitleGrid" Grid.Row="0">
            <TextBlock Text="Twitter Search" 
                x:Name="textBlockPageTitle" 
                Style="{StaticResource PhoneTextPageTitle1Style}"/>
            <TextBlock Text="Search Results" 
                x:Name="textBlockListTitle" 
                Style="{StaticResource PhoneTextPageTitle2Style}"/>
        </Grid>
        <Grid x:Name="ContentGrid" Grid.Row="1">
        </Grid>
    </Grid>

<DataTemplate>
        <StackPanel >
               <Image Source="{Binding Mode=OneWay, Path=Avatar}" 
                      Margin="5,0,10,0" Width="75" Height="75" 
                      HorizontalAlignment="Stretch" VerticalAlignment="Stretch"/>
             <TextBlock Text="{Binding Mode=OneWay, Path=Title}" 
                      HorizontalAlignment="Stretch" VerticalAlignment="Center"
                      Style="{StaticResource PhoneTextSmallStyle}"
                      TextWrapping="Wrap" />
        </StackPanel>
    </DataTemplate>

<DataTemplate>
        <Grid HorizontalAlignment="Stretch" VerticalAlignment="Bottom" >
               <Grid.ColumnDefinitions>
                      <ColumnDefinition Width="Auto"/>
                      <ColumnDefinition Width="*"/>
                </Grid.ColumnDefinitions>
                <Image Source="{Binding Mode=OneWay, Path=Avatar}" 
                         Margin="5,0,10,0" Width="75" Height="75" Grid.Column="0"
                         HorizontalAlignment="Stretch" VerticalAlignment="Stretch"/>
                <TextBlock Text="{Binding Mode=OneWay, Path=Title}" Grid.Column="1"
                         HorizontalAlignment="Stretch" VerticalAlignment="Center"
                         Style="{StaticResource PhoneTextSmallStyle}"
                         TextWrapping="Wrap" />
         </Grid>
    </DataTemplate>