删除WPF网格中行之间的线条

<Style TargetType="DataGrid">
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="DataGrid">
                <Border Background="{TemplateBinding Background}"
                        BorderBrush="{TemplateBinding BorderBrush}"
                        BorderThickness="{TemplateBinding BorderThickness}">
                    <ScrollViewer x:Name="DG_ScrollViewer"
                                  Focusable="false">
                        <ScrollViewer.Template>
                            <ControlTemplate TargetType="ScrollViewer">
                                <Grid>
                                    <Grid.ColumnDefinitions>
                                        <ColumnDefinition Width="Auto" />
                                        <ColumnDefinition Width="*" />
                                        <ColumnDefinition Width="Auto" />
                                    </Grid.ColumnDefinitions>
                                    <Grid.RowDefinitions>
                                        <RowDefinition Height="Auto" />
                                        <RowDefinition Height="*" />
                                        <RowDefinition Height="Auto" />
                                    </Grid.RowDefinitions>
                                    <DataGridColumnHeadersPresenter Grid.Column="1"
                                                                    Grid.Row="0"
                                                                    Visibility="{Binding HeadersVisibility,
                                                                                         Converter={StaticResource BoolToVisibilityConverter}}" />
                                    <ScrollContentPresenter x:Name="PART_ScrollContentPresenter"
                                                            Grid.Column="1"
                                                            Grid.Row="1" />
                                    <ScrollBar x:Name="PART_VerticalScrollBar"
                                               Grid.Column="2"
                                               Grid.Row="1"
                                               Orientation="Vertical"
                                               Visibility="{TemplateBinding ComputedVerticalScrollBarVisibility}" />
                                    <Grid Grid.Column="1"
                                          Grid.Row="2">
                                        <Grid.ColumnDefinitions>
                                            <ColumnDefinition Width="{Binding NonFrozenColumnsViewportHorizontalOffset,
                                                                              RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}" />
                                            <ColumnDefinition Width="*" />
                                        </Grid.ColumnDefinitions>
                                        <ScrollBar x:Name="PART_HorizontalScrollBar"
                                                   Grid.Column="1"
                                                   Orientation="Horizontal"
                                                   Visibility="{TemplateBinding ComputedHorizontalScrollBarVisibility}" />
                                    </Grid>
                                </Grid>
                            </ControlTemplate>
                        </ScrollViewer.Template>
                        <ItemsPresenter SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" />
                    </ScrollViewer>
                </Border>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>