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    <p>You are missing an itemssource="{binding ??}" in your list view. I am also skeptical as to whether this line is working as you intend...</p> <pre><code>DataContext="{Binding}" </code></pre> <p>Edit:</p> <p>I copied this all into a test project and it works fine, here's my entire project verbatim, maybe I did something small.</p> <p>dowhilefor makes a good point about INotifyPropertyChanged, my code works on load, but would not work if the files were added from an event other than the constructor. To fix this easily, just change List to ObservableCollection (don't forget to include 'using System.Collections.ObjectModel'). I updated my code below.</p> <pre><code>public partial class MainWindow : Window { public ObservableCollection&lt;FileStatus&gt; files { get; set; } public MainWindow() { InitializeComponent(); files = new ObservableCollection&lt;FileStatus&gt;(); lb_data.ItemsSource = files; FolderBrowserDialog ofd = new FolderBrowserDialog(); ofd.Description = "Wählen Sie bitte den Ordner mit den Videodateien die Sie verschieben und umbenennen wollen..."; if (ofd.ShowDialog() == System.Windows.Forms.DialogResult.OK) { string path = ofd.SelectedPath; foreach (var file in Directory.GetFiles(path)) { files.Add(new FileStatus(file, new FileInfo(file).Length)); } } } } </code></pre> <p>-</p> <pre><code>&lt;Window x:Class="WPFtest5.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="MainWindow" Height="350" Width="525"&gt; &lt;Window.Resources&gt; &lt;DataTemplate x:Key="fileStatusTemp"&gt; &lt;StackPanel&gt; &lt;TextBlock Text="{Binding Path=filename}" /&gt; &lt;/StackPanel&gt; &lt;/DataTemplate&gt; &lt;/Window.Resources&gt; &lt;ListView Name="lb_data" ItemTemplate="{StaticResource fileStatusTemp}"/&gt; &lt;/Window&gt; </code></pre> <p>-</p> <pre><code>public class FileStatus { public FileStatus(string filename, long filesize, long currentsize = 0) { this.currentsize = currentsize; this.filename = filename; this.filesize = filesize; } public string filename { get; set; } public long filesize { get; set; } public long currentsize { get; set; } public double percent { get { return (currentsize / filesize) * 100; } } } </code></pre>
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    1. USKevin DiTraglia
    1. USKevin DiTraglia
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    1. COThis is the way I did it last time. I forgot to say that the itemsource is set in the constructor of the Window.
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    2. CO@Knerd i don't know why this shouldn't work. The only thing i miss in this code is the implemented INotifyPropertyChanged. But this should at least work once. And yes, remove the DataContext="{Binding}" this does absolutely nothing. The datacontext is already inherited and doesn't need to be set explicitly in this case.
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    3. COUpdated code to account for INotifyPropertyChanged, I suspect that's the actual problem, though it is unclear what datatype the OP's 'files' is from the code posted
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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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