[سؤال] كيف يمكن إضافة صف فوق صف أسماء الأعمدة DataGrid

كود :

        <DataGrid HorizontalAlignment="Left" Margin="10,10,0,0" VerticalAlignment="Top" Height="300" Width="497">

            <DataGrid.Columns>

                <DataGridTextColumn Header="الاسم"/>

                <DataGridTextColumn Header="الرقم"/>

            </DataGrid.Columns>

        </DataGrid>

كود :

        <DataGrid AutoGenerateColumns="False">

            <DataGrid.Columns>

                <DataGridTextColumn Header="ID" Binding="{Binding ID}" />

                <DataGridTemplateColumn Header="Photo">

                    <DataGridTemplateColumn.CellTemplate>

                        <DataTemplate>

                            <Image Source="{Binding Photo}" />

                        </DataTemplate>

                    </DataGridTemplateColumn.CellTemplate>

                </DataGridTemplateColumn>

                

                <DataGridTemplateColumn Width="150">

                    <DataGridTemplateColumn.Header>

                        <Grid Width="150">

                            <Grid.ColumnDefinitions>

                                <ColumnDefinition/>

                                <ColumnDefinition/>

                            </Grid.ColumnDefinitions>

                            <Grid.RowDefinitions>

                                <RowDefinition Height="Auto" />

                                <RowDefinition Height="Auto" />

                            </Grid.RowDefinitions>

                            <TextBlock Grid.ColumnSpan="2" HorizontalAlignment="Center">Name</TextBlock>



                            <TextBlock Grid.Row="1" HorizontalAlignment="Center">FirstName</TextBlock>

                            <TextBlock Grid.Row="1" Grid.ColumnSpan="2" Grid.Column="1" HorizontalAlignment="Center">LastName</TextBlock>

                        </Grid>

                    </DataGridTemplateColumn.Header>

                    <DataGridTemplateColumn.CellTemplate>

                        <DataTemplate>

                            <Grid>

                                <Grid.RowDefinitions>

                                    <RowDefinition />

                                    <RowDefinition />

                                </Grid.RowDefinitions>

                                <TextBlock Grid.Row="0" Text="{Binding FirstName}" />

                                <TextBlock Grid.Row="1" Text="{Binding LastName}" />

                            </Grid>

                        </DataTemplate>

                    </DataGridTemplateColumn.CellTemplate>

                </DataGridTemplateColumn>

            </DataGrid.Columns>

        </DataGrid>