Databases
StackOverflow2013
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    <p>It works if you don't specify an ItemTemplate in the HierarchicalDataTemplate (left margin added to actually see the tree hierarchy):</p> <pre><code>&lt;Grid&gt; &lt;Grid.Resources&gt; &lt;HierarchicalDataTemplate x:Key="NavGroupTemplate" ItemsSource="{Binding Items}"&gt; &lt;TextBlock Text="{Binding Name}"/&gt; &lt;/HierarchicalDataTemplate&gt; &lt;Style x:Key="RootItemStyle" TargetType="{x:Type TreeViewItem}"&gt; &lt;Setter Property="IsExpanded" Value="True"/&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="TreeViewItem"&gt; &lt;Grid Margin="16 0 0 0"&gt; &lt;Expander x:Name="Exp" TextElement.FontWeight="Bold" IsExpanded="{TemplateBinding TreeViewItem.IsExpanded}"&gt; &lt;Expander.Header&gt; &lt;ContentPresenter x:Name="ExpCP" ContentSource="Header"/&gt; &lt;/Expander.Header&gt; &lt;ItemsPresenter/&gt; &lt;/Expander&gt; &lt;Border x:Name="CP" Padding="25,0,0,0" Background="{TemplateBinding Background}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Visibility="Collapsed"&gt; &lt;ContentPresenter ContentSource="Header" HorizontalAlignment="Left" VerticalAlignment="Center" /&gt; &lt;/Border&gt; &lt;/Grid&gt; &lt;ControlTemplate.Triggers&gt; &lt;Trigger Property="HasItems" Value="false"&gt; &lt;Setter TargetName="Exp" Property="Visibility" Value="Collapsed"/&gt; &lt;Setter TargetName="CP" Property="Visibility" Value="Visible" /&gt; &lt;/Trigger&gt; &lt;Trigger Property="IsSelected" Value="True"&gt; &lt;Setter Property="Background" Value="Red"/&gt; &lt;/Trigger&gt; &lt;/ControlTemplate.Triggers&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Style&gt; &lt;/Grid.Resources&gt; &lt;TreeView ItemsSource="{Binding}" ItemTemplate="{StaticResource NavGroupTemplate}" ItemContainerStyle="{StaticResource RootItemStyle}"&gt; &lt;/TreeView&gt; &lt;/Grid&gt; </code></pre>
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    1. POWPF TreeView - Group Nodes Style
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    1. USJoaquim Rendeiro
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Guidance
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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