如何更改DataGrid选定行的颜色WPF

<Style x:Key="SelectedRowStyle" TargetType="DataGridRow">
    <Setter Property="Background" Value="LightBlue"/>
    <Setter Property="Foreground" Value="Black"/>
</Style>

<DataGrid.RowStyle>
    <Style TargetType="DataGridRow">
        <Style.Triggers>
            <Trigger Property="IsSelected" Value="True">
                <Setter Property="CellStyle" Value="{StaticResource SelectedRowStyle}"/>
            </Trigger>
        </Style.Triggers>
    </Style>
</DataGrid.RowStyle>