这是因为White
- 是编辑模式的默认颜色,AlternatingRowBackground
仅适用于查看模式。 您可以使用此方法:
<Style TargetType="{x:Type DataGridCell}">
<Style.Triggers>
<Trigger Property="IsEditing" Value="True">
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="DataGridCell">
<TextBox Text="{Binding RelativeSource={RelativeSource TemplatedParent},
Path=Content.Text, Mode=TwoWay, UpdateSourceTrigger=Default}"
HorizontalAlignment="Stretch"
VerticalAlignment="Stretch"
Padding="0"
BorderThickness="0"
Background="{Binding RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}, Path=AlternatingRowBackground}"/>
</ControlTemplate>
</Setter.Value>
</Setter>
</Trigger>
</Style.Triggers>
</Style>
将这个风格Resources
收集DataGrid
然后,编辑单元的颜色就会像你AlternatingRowBackground
颜色。