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    <p><strong>EDIT</strong>: Didn't see that you wanted to do this in XAML only. <a href="http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/cbdb2420-1403-436f-aa7f-b1e3b1acb398" rel="nofollow noreferrer">This</a> MSDN post should help you out.</p> <p><code>HierarchicalDataTemplate</code> isn't so bad if your data is already in a hierarchical form. Let's say you translate that XML data into a model class using code like this:</p> <pre><code>public partial class TreeViewHierarchy : Window { public ObservableCollection&lt;Folder&gt; Folders { get; set; } public TreeViewHierarchy() { Folder system32 = new Folder() { Name = "system32" }; Folder windows = new Folder() { Name = "windows", Children = new ObservableCollection&lt;Folder&gt;() { system32 } }; Folder things = new Folder() { Name = "things" }; Folder stuff = new Folder() { Name = "stuff" }; Folder c = new Folder() { Name = "C:", Children = new ObservableCollection&lt;Folder&gt;() { stuff, things, windows } }; Folders = new ObservableCollection&lt;Folder&gt;() { c }; InitializeComponent(); } } public class Folder { public string Name { get; set; } public ObservableCollection&lt;Folder&gt; Children { get; set; } } </code></pre> <p>Then the XAML for your <code>TreeView</code> would be as simple as this:</p> <pre><code>&lt;Window x:Class="TestWpfApplication.TreeViewHierarchy" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="TreeViewHierarchy" Height="300" Width="300" DataContext="{Binding RelativeSource={RelativeSource Self}}"&gt; &lt;TreeView ItemsSource="{Binding Folders}"&gt; &lt;TreeView.ItemTemplate&gt; &lt;HierarchicalDataTemplate ItemsSource="{Binding Children}"&gt; &lt;TextBlock Text="{Binding Name}"/&gt; &lt;/HierarchicalDataTemplate&gt; &lt;/TreeView.ItemTemplate&gt; &lt;/TreeView&gt; </code></pre> <p></p> <p>And the result:</p> <p><a href="http://img191.imageshack.us/img191/7841/treeviewhierarchy.png" rel="nofollow noreferrer">alt text http://img191.imageshack.us/img191/7841/treeviewhierarchy.png</a></p>
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    1. CO+1 It's worth highlighting the important part of the xaml is where you bind the 'ItemsSource' of the HierarchicalDataTemplate to the 'Children' collection of the Folder object... Great answer :)
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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