<!--单元格样式触发-->
<Style TargetType="DataGridCell">
<Setter Property="FocusVisualStyle" Value="{x:Null}" />
<Setter Property="Background" Value="White"/>
<Style.Triggers>
<Trigger Property="IsEditing" Value="True">
<Setter Property="Foreground" Value="Black"/>
<Setter Property="Background" Value="White"/>
<Setter Property="FocusVisualStyle" Value="{x:Null}" />
<Setter Property="BorderBrush" Value="White" />
<Setter Property="BorderThickness" Value="0" />
</Trigger>
<Trigger Property="IsSelected" Value="True">
<Setter Property="Foreground" Value="Black"/>
<Setter Property="Background" Value="White"/>
<Setter Property="FocusVisualStyle" Value="{x:Null}" />
<Setter Property="BorderBrush" Value="White" />
<Setter Property="BorderThickness" Value="0" />
</Trigger>
<Trigger Property="IsFocused" Value="True">
<Setter Property="Foreground" Value="Black"/>
<Setter Property="Background" Value="White"/>
<Setter Property="FocusVisualStyle" Value="{x:Null}" />
<Setter Property="BorderBrush" Value="White" />
<Setter Property="BorderThickness" Value="0" />
</Trigger>
</Style.Triggers>
</Style>
设置了单元格的边框,点击是边框线仍然是黑色