<DataGridTextColumn Binding="{Binding Path=OrderQty,Mode=TwoWay,UpdateSourceTrigger=LostFocus,StringFormat='n2'}"
Header="叫货数量">
<DataGridTextColumn.CellStyle>
<Style>
<Setter Property="FrameworkElement.HorizontalAlignment" Value="Right"/>
</Style>
</DataGridTextColumn.CellStyle>
</DataGridTextColumn>
Header="叫货数量">
<DataGridTextColumn.CellStyle>
<Style>
<Setter Property="FrameworkElement.HorizontalAlignment" Value="Right"/>
</Style>
</DataGridTextColumn.CellStyle>
</DataGridTextColumn>
主要是Bingding里的StringFormat和Setter。