dynamic type binding Metro

dynamic.xaml

<Page
    x:Class="Application141.BlankPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:Application141"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d">

    <Grid Background="{StaticResource ApplicationPageBackgroundBrush}">
        <StackPanel>
            <TextBlock Text="{Binding FirstName}" />
            <TextBlock Text="{Binding LastName}" />
        </StackPanel>
    </Grid>
</Page>

dynamic.xaml.cs

using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;

namespace Application141
{
    public sealed partial class BlankPage : Page
    {
        public BlankPage()
        {
            this.InitializeComponent();
            Loaded += BlankPage_Loaded;
        }

        void BlankPage_Loaded(object sender, RoutedEventArgs e)
        {
            dynamic foo = new
            {
                FirstName = "Tim",
                LastName = "Heuer"
            };

            this.DataContext = foo;
        }
    }
}