ItemId
コードビハインドのテキストブロック の値を回復します
<phone:PanoramaItem Header="Available">
<Grid>
<ListBox x:Name="ItemsCheckedinList" HorizontalAlignment="Left">
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<toolkit:WrapPanel/>
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
<ListBox.ItemTemplate>
<DataTemplate>
<StackPanel>
<Button x:Name="ButtonItemCheckedin"
Click="Button_ItemDetail" BorderBrush="{x:Null}" Width="200"
Height="200" Padding="0" Margin="0">
<Button.Background>
<ImageBrush ImageSource="{Binding Path=Image}"
Stretch="UniformToFill"/>
</Button.Background>
<StackPanel Orientation="Vertical"
Background="#FF0081C6" VerticalAlignment="Bottom" >
<TextBlock Text="{Binding Path=Id}"
x:Name="ItemId" Visibility="Collapsed"/>
<TextBlock Text="{Binding Path=Name}"/>
<TextBlock Text="{Binding Path=Status}"/>
</StackPanel>
</Button>
</StackPanel>
</DataTemplate>
</ListBox.ItemTemplate>
</ListBox>
</Grid>
</phone:PanoramaItem>