XAML for LLS

<phone:LongListSelector x:Name="ListeNotes" Height="535" Width="426" HorizontalAlignment="Left" VerticalAlignment="Top" FontSize="36" Margin="54,0,0,0" SelectedIndex ="{Binding _itemSelectedIndex, UpdateSourceTrigger = PropertyChanged}">
                <phone:LongListSelector.ItemTemplate>
                    <DataTemplate>
                        <TextBlock Text="{Binding Titre}"/>
                    </DataTemplate>
                </phone:LongListSelector.ItemTemplate>
            </phone:LongListSelector>