Silverlight - listbox.ItemTemplate的动态绑定

I have this:

我有这个:

<ListBox x:Name="PART_lstAttributes" Grid.Row="1" Style="{StaticResource GlossyBlackListBox}">
  <ListBox.ItemTemplate>
    <DataTemplate>
       <StackPanel>
          <TextBlock x:Name="txtAttributeName" Text="{Binding AttributeName}"></TextBlock>
       </StackPanel>
    </DataTemplate>                                
  </ListBox.ItemTemplate>
</ListBox>
<ListBox x:Name="PART_ls