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POBind items from two different ObservableCollection to one control
 

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  1. POBind items from two different ObservableCollection to one control
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    <p>I have a parent DataGrid and inside that DataGrid I have a inner DataGrid.My objective is to populate the inner datagrid on row click of my parent DataGrid.Below is my code:</p> <pre><code>&lt;DataGrid ItemsSource="{Binding GuestHostTotalList}" HorizontalAlignment="Stretch" Margin="16,15,-14,-15" x:Name="dataGridParent" Style="{StaticResource EfesDataGridStyle}" FrozenColumnCount="14" GridLinesVisibility="All" HorizontalGridLinesBrush="#DADADA" VerticalGridLinesBrush="#DADADA" Cursor="Hand" AutoGenerateColumns="False" RowDetailsVisibilityMode="Visible" &gt; &lt;i:Interaction.Triggers&gt; &lt;i:EventTrigger EventName="MouseLeftButtonUp"&gt; &lt;ei:CallMethodAction MethodName="UpdateEvent" TargetObject="{Binding}"&gt;&lt;/ei:CallMethodAction&gt; &lt;/i:EventTrigger&gt; &lt;/i:Interaction.Triggers&gt; &lt;DataGrid.ColumnHeaderStyle&gt; &lt;Style TargetType="DataGridColumnHeader"&gt; &lt;Setter Property="HorizontalAlignment" Value="Stretch"/&gt; &lt;Setter Property="Foreground" Value="White"&gt;&lt;/Setter&gt; &lt;Setter Property="Background" Value="Black"&gt;&lt;/Setter&gt; &lt;Setter Property="MinHeight" Value="28"&gt;&lt;/Setter&gt; &lt;Setter Property="Cursor" Value="Hand"&gt;&lt;/Setter&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="{x:Type DataGridColumnHeader}"&gt; &lt;Grid&gt; &lt;Grid.ColumnDefinitions&gt; &lt;ColumnDefinition Width="*" /&gt; &lt;ColumnDefinition Width="Auto" /&gt; &lt;/Grid.ColumnDefinitions&gt; &lt;Border x:Name="BackgroundBorder" BorderThickness="0" Background="{StaticResource Siyah}" BorderBrush="{StaticResource Siyah}" Grid.ColumnSpan="2" /&gt; &lt;ContentPresenter Margin="6,3,6,3" VerticalAlignment="Center" /&gt; &lt;Path x:Name="SortArrow" Visibility="Collapsed" Data="M0,0 L1,0 0.5,1 z" Stretch="Fill" Grid.Column="3" Width="8" Height="6" Fill="White" Margin="0,0,8,0" VerticalAlignment="Center" RenderTransformOrigin="0.5,0.4" /&gt; &lt;Rectangle Width="1" Fill="#AAC377" HorizontalAlignment="Right" Grid.ColumnSpan="2" /&gt; &lt;Rectangle Width="1" Margin="0,0,1,0" Fill="#425B10" HorizontalAlignment="Right" Grid.ColumnSpan="2" /&gt; &lt;Thumb x:Name="PART_LeftHeaderGripper" Visibility="Hidden" HorizontalAlignment="Left" /&gt; &lt;Thumb x:Name="PART_RightHeaderGripper" Visibility="Hidden" HorizontalAlignment="Right" /&gt; &lt;/Grid&gt; &lt;ControlTemplate.Triggers&gt; &lt;Trigger Property="SortDirection" Value="{x:Null}"&gt; &lt;Setter TargetName="BackgroundBorder" Property="Background" Value="{DynamicResource Siyah}" /&gt; &lt;Setter TargetName="BackgroundBorder" Property="BorderBrush" Value="Transparent" /&gt; &lt;/Trigger&gt; &lt;MultiTrigger&gt; &lt;MultiTrigger.Conditions&gt; &lt;Condition Property="IsMouseOver" Value="True" /&gt; &lt;Condition Property="SortDirection" Value="{x:Null}" /&gt; &lt;/MultiTrigger.Conditions&gt; &lt;Setter Property="Background" TargetName="BackgroundBorder" Value="{StaticResource ASiyah}" /&gt; &lt;Setter Property="BorderBrush" TargetName="BackgroundBorder" Value="{StaticResource ASiyah}" /&gt; &lt;/MultiTrigger&gt; &lt;MultiTrigger&gt; &lt;MultiTrigger.Conditions&gt; &lt;Condition Property="IsMouseOver" Value="true" /&gt; &lt;Condition Property="SortDirection" Value="{x:Null}" /&gt; &lt;/MultiTrigger.Conditions&gt; &lt;Setter TargetName="BackgroundBorder" Property="Background" Value="{StaticResource ASiyah}" /&gt; &lt;Setter TargetName="BackgroundBorder" Property="BorderBrush" Value="{StaticResource ASiyah}" /&gt; &lt;/MultiTrigger&gt; &lt;Trigger Property="SortDirection" Value="Ascending"&gt; &lt;Setter TargetName="SortArrow" Property="Visibility" Value="Visible" /&gt; &lt;Setter TargetName="SortArrow" Property="RenderTransform"&gt; &lt;Setter.Value&gt; &lt;RotateTransform Angle="180" /&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Trigger&gt; &lt;Trigger Property="SortDirection" Value="Descending"&gt; &lt;Setter TargetName="SortArrow" Property="Visibility" Value="Visible" /&gt; &lt;/Trigger&gt; &lt;Trigger Property="DisplayIndex" Value="0"&gt; &lt;Setter Property="Visibility" Value="Collapsed" TargetName="PART_LeftHeaderGripper"&gt;&lt;/Setter&gt; &lt;/Trigger&gt; &lt;/ControlTemplate.Triggers&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;Style.Triggers&gt; &lt;Trigger Property="IsMouseOver" Value="True"&gt; &lt;Setter Property="Background" Value="LightGray" /&gt; &lt;/Trigger&gt; &lt;/Style.Triggers&gt; &lt;/Style&gt; &lt;/DataGrid.ColumnHeaderStyle&gt; &lt;DataGrid.Columns&gt; &lt;DataGridTextColumn Header="Kod" Binding="{Binding Code}" Width="50*" /&gt; &lt;DataGridTextColumn Header="Tarih" Binding="{Binding History}" Width="70*"/&gt; &lt;DataGridTextColumn Header="Ev Sahibi" Binding="{Binding Own}" Width="100*"/&gt; &lt;DataGridTextColumn Header="Konuk" Binding="{Binding Guest}" Width="50*"/&gt; &lt;DataGridTextColumn Header="1" Binding="{Binding One_guest}" Width="30*" /&gt; &lt;DataGridTextColumn Header="X" Binding="{Binding X_game}" Width="30*" /&gt; &lt;DataGridTextColumn Header="2" Binding="{Binding Two_guest}" Width="30*"/&gt; &lt;DataGridTextColumn Header="T1" Binding="{Binding T1_host}" Width="30*" /&gt; &lt;DataGridTextColumn Header="TX" Binding="{Binding TX_host}" Width="30*" /&gt; &lt;DataGridTextColumn Header="T2" Binding="{Binding T2_host}" Width="30*" /&gt; &lt;DataGridTextColumn Header="+" CellStyle ="{StaticResource DataGridCellStyle}" Binding="{Binding TotalOptions}" Width="30*"/&gt; &lt;DataGridTextColumn Header="Min" Binding="{Binding MinOption}" Width="30*" /&gt; &lt;DataGridTextColumn Header="Lig" Binding="{Binding League}" Width="70*" /&gt; &lt;DataGridTemplateColumn Header="Durum" Width="Auto" &gt; &lt;DataGridTemplateColumn.CellTemplate&gt; &lt;DataTemplate&gt; &lt;ToggleButton x:Name="toggleBtn" VerticalAlignment="Center" Margin="0" Style="{StaticResource SlidingToggleButton}" BorderBrush="{x:Null}" IsChecked="{Binding ToggleBtn}" Background="#FF2F63FF" /&gt; &lt;/DataTemplate&gt; &lt;/DataGridTemplateColumn.CellTemplate&gt; &lt;/DataGridTemplateColumn&gt; &lt;/DataGrid.Columns&gt; &lt;DataGrid.RowStyle&gt; &lt;Style TargetType="{x:Type DataGridRow}"&gt; &lt;EventSetter Event="MouseLeftButtonUp" Handler="RowClick"/&gt; &lt;/Style&gt; &lt;/DataGrid.RowStyle&gt; &lt;DataGrid.Resources&gt; &lt;SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="Transparent"/&gt; &lt;SolidColorBrush x:Key="{x:Static SystemColors.HighlightTextBrushKey}" Color="Black"/&gt; &lt;/DataGrid.Resources&gt; &lt;DataGrid.RowDetailsTemplate x:Uid="test123"&gt; &lt;DataTemplate x:Name="testTemplete"&gt; &lt;DataGrid x:Name="innerGrid" ItemsSource="{Binding SubGridItemList}" Style="{StaticResource EfesDataGridStyle}" Margin="50,2,2,2" MinHeight="40" GridLinesVisibility="All" HorizontalGridLinesBrush="#DADADA" VerticalGridLinesBrush="#DADADA" Visibility="Collapsed" &gt; &lt;DataGrid.ColumnHeaderStyle&gt; &lt;Style TargetType="DataGridColumnHeader"&gt; &lt;Setter Property="Foreground" Value="White"&gt;&lt;/Setter&gt; &lt;Setter Property="Background" Value="Black"&gt;&lt;/Setter&gt; &lt;Setter Property="MinHeight" Value="28"&gt;&lt;/Setter&gt; &lt;Setter Property="Cursor" Value="Hand"&gt;&lt;/Setter&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="{x:Type DataGridColumnHeader}"&gt; &lt;Grid&gt; &lt;Grid.ColumnDefinitions&gt; &lt;ColumnDefinition Width="*" /&gt; &lt;ColumnDefinition Width="Auto" /&gt; &lt;/Grid.ColumnDefinitions&gt; &lt;Border x:Name="BackgroundBorder" BorderThickness="0" Background="{StaticResource Siyah}" BorderBrush="{StaticResource Siyah}" Grid.ColumnSpan="2" /&gt; &lt;ContentPresenter Margin="6,3,6,3" VerticalAlignment="Center" /&gt; &lt;Path x:Name="SortArrow" Visibility="Collapsed" Data="M0,0 L1,0 0.5,1 z" Stretch="Fill" Grid.Column="3" Width="8" Height="6" Fill="White" Margin="0,0,8,0" VerticalAlignment="Center" RenderTransformOrigin="0.5,0.4" /&gt; &lt;Rectangle Width="1" Fill="#AAC377" HorizontalAlignment="Right" Grid.ColumnSpan="2" /&gt; &lt;Rectangle Width="1" Margin="0,0,1,0" Fill="#425B10" HorizontalAlignment="Right" Grid.ColumnSpan="2" /&gt; &lt;Thumb x:Name="PART_LeftHeaderGripper" Visibility="Hidden" HorizontalAlignment="Left" /&gt; &lt;Thumb x:Name="PART_RightHeaderGripper" Visibility="Hidden" HorizontalAlignment="Right" /&gt; &lt;/Grid&gt; &lt;ControlTemplate.Triggers&gt; &lt;Trigger Property="SortDirection" Value="{x:Null}"&gt; &lt;Setter TargetName="BackgroundBorder" Property="Background" Value="{DynamicResource Siyah}" /&gt; &lt;Setter TargetName="BackgroundBorder" Property="BorderBrush" Value="Transparent" /&gt; &lt;/Trigger&gt; &lt;MultiTrigger&gt; &lt;MultiTrigger.Conditions&gt; &lt;Condition Property="IsMouseOver" Value="True" /&gt; &lt;Condition Property="SortDirection" Value="{x:Null}" /&gt; &lt;/MultiTrigger.Conditions&gt; &lt;Setter Property="Background" TargetName="BackgroundBorder" Value="{StaticResource ASiyah}" /&gt; &lt;Setter Property="BorderBrush" TargetName="BackgroundBorder" Value="{StaticResource ASiyah}" /&gt; &lt;/MultiTrigger&gt; &lt;MultiTrigger&gt; &lt;MultiTrigger.Conditions&gt; &lt;Condition Property="IsMouseOver" Value="true" /&gt; &lt;Condition Property="SortDirection" Value="{x:Null}" /&gt; &lt;/MultiTrigger.Conditions&gt; &lt;Setter TargetName="BackgroundBorder" Property="Background" Value="{StaticResource ASiyah}" /&gt; &lt;Setter TargetName="BackgroundBorder" Property="BorderBrush" Value="{StaticResource ASiyah}" /&gt; &lt;/MultiTrigger&gt; &lt;Trigger Property="SortDirection" Value="Ascending"&gt; &lt;Setter TargetName="SortArrow" Property="Visibility" Value="Visible" /&gt; &lt;Setter TargetName="SortArrow" Property="RenderTransform"&gt; &lt;Setter.Value&gt; &lt;RotateTransform Angle="180" /&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Trigger&gt; &lt;Trigger Property="SortDirection" Value="Descending"&gt; &lt;Setter TargetName="SortArrow" Property="Visibility" Value="Visible" /&gt; &lt;/Trigger&gt; &lt;Trigger Property="DisplayIndex" Value="0"&gt; &lt;Setter Property="Visibility" Value="Collapsed" TargetName="PART_LeftHeaderGripper"&gt;&lt;/Setter&gt; &lt;/Trigger&gt; &lt;/ControlTemplate.Triggers&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;Style.Triggers&gt; &lt;Trigger Property="IsMouseOver" Value="True"&gt; &lt;Setter Property="Background" Value="LightGray" /&gt; &lt;/Trigger&gt; &lt;/Style.Triggers&gt; &lt;/Style&gt; &lt;/DataGrid.ColumnHeaderStyle&gt; &lt;DataGrid.RowStyle&gt; &lt;Style TargetType="{x:Type DataGridRow}"&gt; &lt;EventSetter Event="MouseLeftButtonUp" Handler="InnerGridRowClick"/&gt; &lt;/Style&gt; &lt;/DataGrid.RowStyle&gt; &lt;DataGrid.Columns&gt; &lt;DataGridTextColumn Header="Kod" Binding="{Binding Kod}" Width="400" /&gt; &lt;DataGridTextColumn Header="Alt Secenakler" Binding="{Binding Alt_Secenakler}" Width="500" /&gt; &lt;/DataGrid.Columns&gt; &lt;DataGrid.Resources&gt; &lt;SolidColorBrush x:Key="{x:Static SystemColors.HighlightBrushKey}" Color="Transparent"/&gt; &lt;SolidColorBrush x:Key="{x:Static SystemColors.HighlightTextBrushKey}" Color="Black"/&gt; &lt;/DataGrid.Resources&gt; &lt;/DataGrid&gt; &lt;/DataTemplate&gt; &lt;/DataGrid.RowDetailsTemplate&gt; &lt;/DataGrid&gt; </code></pre> <p>In the above code you can see dataGridParent is parent datagrid and innerGrid is the inner DataGrid.Now I have two observable collections in my viewmodel 1.GuestHostTotalList(is the itemsource of my parent DataGrid) and 2.SubGridItemList (this is used as ItemSource of my innerDataGrid).But I am seeing the inner grid is not populating with the data. Can anyone help me.Thanks in advance .</p>
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