使用DataTrigger设置DataGridCell背景

问题描述

有谁能告诉我为什么以下XAML代码中的DataTriggers设置DataGrid整行的背景颜色而不是单个单元格？我将TargetType设置为DataGridCell。

Can anyone tell me why the DataTriggers in the following XAML code are setting the background color of the entire row of the DataGrid and not the individual cell? I have the TargetType set to "DataGridCell".

<pre lang="xml"><DataGrid>
            <DataGrid.CellStyle>
                <Style TargetType="DataGridCell">
                    <Style.Triggers>
                        <DataTrigger Binding="{Binding Path=aciton}" Value="ADDED">
                            <Setter Property="Background" Value="LightGreen"/>
                        </DataTrigger>
                        <DataTrigger Binding="{Binding Path=aciton}" Value="UPDATED">
                            <Setter Property="Background" Value="LightBlue"/>
                        </DataTrigger>
                        <DataTrigger Binding="{Binding Path=aciton}" Value="REMOVED">
                            <Setter Property="Background" Value="Salmon"/>
                        </DataTrigger>
                    </Style.Triggers>
                </Style>
            </DataGrid.CellStyle>
        </DataGrid>

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