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POUsing ItemTemplate for a TreeView when adding items in code
 

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    <p>I'm adding TreeViewItems manually in code behind and would like to use a DataTemplate to display them but can't figure out how to. I'm hoping to do something like this but the items are displayed as empty headers. What am I doing wrong?</p> <p>XAML</p> <pre><code>&lt;Window x:Class="TreeTest.WindowTree" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="WindowTree" Height="300" Width="300"&gt; &lt;Grid&gt; &lt;TreeView Name="_treeView"&gt; &lt;TreeView.ItemTemplate&gt; &lt;DataTemplate&gt; &lt;StackPanel Orientation="Horizontal"&gt; &lt;TextBlock Text="{Binding Path=Name}" /&gt; &lt;TextBlock Text="{Binding Path=Age}" /&gt; &lt;/StackPanel&gt; &lt;/DataTemplate&gt; &lt;/TreeView.ItemTemplate&gt; &lt;/TreeView&gt; &lt;/Grid&gt; &lt;/Window&gt; </code></pre> <p>Behind code</p> <pre><code>using System.Windows; using System.Windows.Controls; namespace TreeTest { public partial class WindowTree : Window { public WindowTree() { InitializeComponent(); TreeViewItem itemBob = new TreeViewItem(); itemBob.DataContext = new Person() { Name = "Bob", Age = 34 }; TreeViewItem itemSally = new TreeViewItem(); itemSally.DataContext = new Person() { Name = "Sally", Age = 28 }; ; TreeViewItem itemJoe = new TreeViewItem(); itemJoe.DataContext = new Person() { Name = "Joe", Age = 15 }; ; itemSally.Items.Add(itemJoe); _treeView.Items.Add(itemBob); _treeView.Items.Add(itemSally); } } public class Person { public string Name { get; set; } public int Age { get; set; } } } </code></pre>
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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.

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