Databases
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    <p>The <code>DataContext</code> of each of the items in your ListBox will be automatically bound to your <code>User</code> instances, so it is not necessary to set the source in your binding. You can bind directly from the style of your <code>ListBoxItem</code>s to properties on your <code>User</code> instances.</p> <p>You can achieve it like this:</p> <pre><code> &lt;Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" x:Class="ASD_Answer011.MainWindow" x:Name="Window" Title="MainWindow" Width="640" Height="480"&gt; &lt;Window.Resources&gt; &lt;DataTemplate x:Key="ItemTemplate"&gt; &lt;StackPanel Orientation="Horizontal"&gt; &lt;TextBlock Text="{Binding Property1}"/&gt; &lt;CheckBox IsChecked="{Binding Property2}"/&gt; &lt;/StackPanel&gt; &lt;/DataTemplate&gt; &lt;Style x:Key="ListBoxItemStyle1" TargetType="{x:Type ListBoxItem}"&gt; &lt;Style.Triggers&gt; &lt;DataTrigger Binding="{Binding Path=IsDirty}" Value="True"&gt; &lt;Setter Property="Background" Value="Red" /&gt; &lt;/DataTrigger&gt; &lt;/Style.Triggers&gt; &lt;Setter Property="HorizontalContentAlignment" Value="{Binding HorizontalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/&gt; &lt;Setter Property="VerticalContentAlignment" Value="{Binding VerticalContentAlignment, RelativeSource={RelativeSource AncestorType={x:Type ItemsControl}}}"/&gt; &lt;Setter Property="Padding" Value="2,0,0,0"/&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="{x:Type ListBoxItem}"&gt; &lt;Border x:Name="Bd" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}" SnapsToDevicePixels="true"&gt; &lt;ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/&gt; &lt;/Border&gt; &lt;ControlTemplate.Triggers&gt; &lt;Trigger Property="IsSelected" Value="true"&gt; &lt;Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/&gt; &lt;Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.HighlightTextBrushKey}}"/&gt; &lt;/Trigger&gt; &lt;MultiTrigger&gt; &lt;MultiTrigger.Conditions&gt; &lt;Condition Property="IsSelected" Value="true"/&gt; &lt;Condition Property="Selector.IsSelectionActive" Value="false"/&gt; &lt;/MultiTrigger.Conditions&gt; &lt;Setter Property="Background" TargetName="Bd" Value="{DynamicResource {x:Static SystemColors.ControlBrushKey}}"/&gt; &lt;Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/&gt; &lt;/MultiTrigger&gt; &lt;Trigger Property="IsEnabled" Value="false"&gt; &lt;Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/&gt; &lt;/Trigger&gt; &lt;/ControlTemplate.Triggers&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Style&gt; &lt;/Window.Resources&gt; &lt;Grid x:Name="LayoutRoot" DataContext="{Binding Source={StaticResource SampleDataSource}}"&gt; &lt;ListBox ItemTemplate="{DynamicResource ItemTemplate}" ItemsSource="{Binding Collection}" ItemContainerStyle="{DynamicResource ListBoxItemStyle1}"/&gt; &lt;/Grid&gt; &lt;/Window&gt; </code></pre> <p>This is how it looks when the application is running:</p> <p><img src="https://i.stack.imgur.com/jlkgt.png" alt="DataTrigger Binding Example"></p>
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    1. POHow can I change the property of an Element based on the property of an INotifyPropertyChanged object in an ObservableCollection?
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    1. POHow can I change the property of an Element based on the property of an INotifyPropertyChanged object in an ObservableCollection?
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    1. COS how can I use the binding to change the backround of items which are "dirty"?
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    2. COI have updated my answer with an example of how to achieve the behavior that you need.
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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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If you are curious you may find further information in the browser console, which is accessible through the devtools (F12).

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