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    <p>I have tuned up previous code a little bit. First of all range.Changed hasn't work for me. After I changed range.Changed to richTextBox.TextChanged it turns out that TextChanged event handler can invoke SetDocumentXaml recursively, so I've provided protection against it. I also used XamlReader/XamlWriter instead of TextRange.</p> <pre><code>public class RichTextBoxHelper : DependencyObject { private static HashSet&lt;Thread&gt; _recursionProtection = new HashSet&lt;Thread&gt;(); public static string GetDocumentXaml(DependencyObject obj) { return (string)obj.GetValue(DocumentXamlProperty); } public static void SetDocumentXaml(DependencyObject obj, string value) { _recursionProtection.Add(Thread.CurrentThread); obj.SetValue(DocumentXamlProperty, value); _recursionProtection.Remove(Thread.CurrentThread); } public static readonly DependencyProperty DocumentXamlProperty = DependencyProperty.RegisterAttached( "DocumentXaml", typeof(string), typeof(RichTextBoxHelper), new FrameworkPropertyMetadata( "", FrameworkPropertyMetadataOptions.AffectsRender | FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, (obj, e) =&gt; { if (_recursionProtection.Contains(Thread.CurrentThread)) return; var richTextBox = (RichTextBox)obj; // Parse the XAML to a document (or use XamlReader.Parse()) try { var stream = new MemoryStream(Encoding.UTF8.GetBytes(GetDocumentXaml(richTextBox))); var doc = (FlowDocument)XamlReader.Load(stream); // Set the document richTextBox.Document = doc; } catch (Exception) { richTextBox.Document = new FlowDocument(); } // When the document changes update the source richTextBox.TextChanged += (obj2, e2) =&gt; { RichTextBox richTextBox2 = obj2 as RichTextBox; if (richTextBox2 != null) { SetDocumentXaml(richTextBox, XamlWriter.Save(richTextBox2.Document)); } }; } ) ); } </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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