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POUsing a Datagrid as a Datagrid.RowDetailsTemplate
 

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  1. POUsing a Datagrid as a Datagrid.RowDetailsTemplate
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    <p>I want to use a Datagrid as conten of another Datagrid's RowDetailsTemplate. It works nerarly perfect, but there is the problem, that the child Datagrid ColumnDefinition seems to have no effect. </p> <p>Here is my Code:</p> <pre><code>&lt;toolkit:DataGrid VerticalAlignment="Top" HorizontalAlignment="Stretch" AutoGenerateColumns="False" ItemsSource="{Binding Hauptgruppen}" IsReadOnly="False" x:Name="HauptgruppenDataGrid" CanUserAddRows="False" SelectionUnit="FullRow" gridtools:DataGridStyle.SelectAllButtonTemplate="{DynamicResource CisSelectAllButtonTemplate}" SelectedValuePath="." CanUserResizeColumns="True" &gt; &lt;toolkit:DataGrid.RowDetailsTemplate&gt; &lt;DataTemplate&gt; &lt;Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Background="#FF4E5790"&gt; &lt;toolkit:DataGrid VerticalAlignment="Top" HorizontalAlignment="Stretch" Margin="50,5,5,5" ItemsSource="{Binding ElementName=HauptgruppenDataGrid, Path=SelectedValue.BerechtigteUntergruppen}" x:Name="UntergruppenDataGrid" IsReadOnly="False" CanUserAddRows="False" SelectionUnit="FullRow" gridtools:DataGridStyle.SelectAllButtonTemplate="{DynamicResource CisSelectAllButtonTemplate}" SelectedValuePath="." CanUserResizeColumns="True" &gt; &lt;toolkit:DataGrid.RowDetailsTemplate&gt; &lt;DataTemplate&gt; &lt;Grid HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Background="#FF4E5790"&gt; &lt;toolkit:DataGrid VerticalAlignment="Top" HorizontalAlignment="Stretch" Margin="50,5,5,5" ItemsSource="{Binding ElementName=UntergruppenDataGrid, Path=SelectedValue.BerechtigteRisiken}" x:Name="RisikenDataGrid" IsReadOnly="False" CanUserAddRows="False" SelectionUnit="FullRow" gridtools:DataGridStyle.SelectAllButtonTemplate="{DynamicResource CisSelectAllButtonTemplate}" SelectedValuePath="." CanUserResizeColumns="True" &gt; &lt;toolkit:DataGrid.RowDetailsTemplate&gt; &lt;DataTemplate&gt; &lt;risikoControls:RisikoDetails Risiko="{Binding ElementName=RisikenDataGrid, Path=SelectedValue}" /&gt; &lt;/DataTemplate&gt; &lt;/toolkit:DataGrid.RowDetailsTemplate&gt; &lt;toolkit:DataGrid.Columns&gt; &lt;toolkit:DataGridTextColumn Binding="{Binding Path=Sortierung}" Header="Sortierung" /&gt; &lt;toolkit:DataGridTextColumn Binding="{Binding Path=RisikoBezeichnung}" Header="Risiko" /&gt; &lt;toolkit:DataGridTextColumn Binding="{Binding Path=Beschreibung}" Header="Beschreibung" /&gt; &lt;/toolkit:DataGrid.Columns&gt; &lt;/toolkit:DataGrid&gt; &lt;/Grid&gt; &lt;/DataTemplate&gt; &lt;/toolkit:DataGrid.RowDetailsTemplate&gt; &lt;toolkit:DataGrid.Columns&gt; &lt;toolkit:DataGridTextColumn Binding="{Binding Path=LfdNr}" Header="LfdNr" /&gt; &lt;toolkit:DataGridTextColumn Binding="{Binding Path=Gruppe}" Header="Gruppe" /&gt; &lt;/toolkit:DataGrid.Columns&gt; &lt;/toolkit:DataGrid&gt; &lt;/Grid&gt; &lt;/DataTemplate&gt; &lt;/toolkit:DataGrid.RowDetailsTemplate&gt; &lt;toolkit:DataGrid.Columns&gt; &lt;toolkit:DataGridTextColumn Binding="{Binding Path=LfdNr}" Header="LfdNr" /&gt; &lt;toolkit:DataGridTextColumn Binding="{Binding Path=Gruppe}" Header="Gruppe" /&gt; &lt;/toolkit:DataGrid.Columns&gt; &lt;/toolkit:DataGrid&gt; </code></pre> <p>So when I look at the compiled program, the child DataGrids show all Colums of the table I bound to them, not only the one I spezified. So, I hope you can help me.</p>
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