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    <p>Even if you had access to the just the <code>TabItem</code> properties in the code-behind, it wouldn't help as the tab doesn't know it's own index in the <code>TabControl</code> collection. This is true of all <code>ItemsControls</code> and seems annoying, but it makes sense because when can any object ever tell you what its own position is within a collection?</p> <p>It can be done with IndexOf, however, as long as you have access to both the control's <code>ItemsCollection</code> and the content of the tab. We can do this in a <code>MultiValueConverter</code>, so that it can be done within the DataTemplate.</p> <p><strong>Converter code:</strong> </p> <pre><code> public class ItemsControlIndexConverter : IMultiValueConverter { public object Convert(object[] values, Type targetType, object parameter, System.Globalization.CultureInfo culture) { ItemCollection itemCollection = (ItemCollection)values[0]; return (itemCollection.IndexOf(values[1]) + 1).ToString(); } public object[] ConvertBack(object value, Type[] targetTypes, object parameter, System.Globalization.CultureInfo culture) { throw new NotImplementedException(); } } </code></pre> <p><strong>TabControl XAML:</strong></p> <pre><code>&lt;TabControl ItemsSource="{Binding CoilItems}"&gt; &lt;TabControl.Resources&gt; &lt;local:ItemsControlIndexConverter x:Key="IndexConverter"/&gt; &lt;/TabControl.Resources&gt; &lt;TabControl.ItemTemplate&gt; &lt;DataTemplate&gt; &lt;StackPanel Orientation="Horizontal"&gt; &lt;TextBlock&gt; &lt;TextBlock.Text&gt; &lt;MultiBinding Converter="{StaticResource IndexConverter}" StringFormat="Order {0}" Mode="OneWay"&gt; &lt;Binding RelativeSource="{RelativeSource AncestorType=TabControl}" Path="Items"/&gt; &lt;!-- First converter index is the ItemsCollection --&gt; &lt;Binding /&gt; &lt;!-- Second index is the content of this tab --&gt; &lt;/MultiBinding&gt; &lt;/TextBlock.Text&gt; &lt;/TextBlock&gt; &lt;!-- Fill in the rest of the header template --&gt; &lt;/StackPanel&gt; &lt;/DataTemplate&gt; &lt;/TabControl.ItemTemplate&gt; &lt;/TabControl&gt; </code></pre>
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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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