WPF DataGrid中的文本对齐方式

<DataGrid>
    <DataGrid.CellStyle>
       <Style TargetType="DataGridCell">
           <Setter Property="HorizontalAlignment" Value="Center" />
           <Setter Property="VerticalAlignment" Value="Center" />
        </Style>
    </DataGrid.CellStyle>
</DataGrid>

<DataGrid>
    <DataGrid.Columns>
        <DataGridTemplateColumn>
            <DataGridTemplateColumn.CellTemplate>
                <DataTemplate>
                    <TextBlock Text="{Binding}" HorizontalAlignment="Center" VerticalAlignment="Center" />
                </DataTemplate>
            </DataGridTemplateColumn.CellTemplate>
        </DataGridTemplateColumn>
    </DataGrid.Columns>
</DataGrid>