WPF DataGridTemplateColumn

DataGridTemplateColumn自定义单元格样式

<DataGrid Grid.Row="0" Name="BasicRuleDataGrid" PreviewMouseWheel="BasicRuleDataGrid_OnPreviewMouseWheel"                 
                       VerticalScrollBarVisibility="Auto"
                       HorizontalScrollBarVisibility="Auto"
                       AutoGenerateColumns="False"
                       RowDetailsVisibilityMode="VisibleWhenSelected"
                       SnapsToDevicePixels="True"
                       EnableRowVirtualization="False"
                       AreRowDetailsFrozen="False"
                       SelectionMode="Single"                     
                       ScrollViewer.IsDeferredScrollingEnabled="True"
                       IsReadOnly="True"
                       ItemsSource="{Binding ElementName=ComRuleMDataGrid, Path=SelectedItem.BasicRulesBinding}"  
                        >
    <!--上方：需要告知在ComRuleMDataGrid（子）里面找，在VM（父）里面找找不到-->
    <DataGrid.AlternatingRowBackground>
        <SolidColorBrush Color="#EBF7FC"></SolidColorBrush>
    </DataGrid.AlternatingRowBackground>
    <!--列-->
    <DataGrid.Columns>
        <DataGridTextColumn Width="*" Header="基本规则名称" Binding="{Binding BasRuleNameBinding}" />
        <DataGridTextColumn Width="*" Header="基本规则说明" Binding="{Binding CommentBinding}" />
        <DataGridTemplateColumn Header="是否删除" Width="Auto">
            <DataGridTemplateColumn.CellTemplate>
                <DataTemplate>
                    <Button HorizontalAlignment="Center" Tag="{Binding}" Style="{StaticResource BtADDStyle}" Content="-" Click="ButtonListDelet_OnClick_BasicRule"></Button>
                </DataTemplate>
            </DataGridTemplateColumn.CellTemplate>
        </DataGridTemplateColumn>
    </DataGrid.Columns>
</DataGrid>

列表说明：
数据源ItemsSource绑定类的collection
选择项SelectedItem绑定类的一个对象（便于后台操作，自动）
显示绑定类中某一属性