Xaml下ListView的分组显示效果

<StackPanel xmlns='http://schemas.microsoft.com/winfx/2006/xaml/presentation'
            xmlns:x='http://schemas.microsoft.com/winfx/2006/xaml'
            xmlns:d='clr-namespace:System.Windows.Data;assembly=PresentationFramework'>
  <StackPanel.Resources>
    <XmlDataProvider x:Key="MyData" XPath="/Info">
      <x:XData>
        <Info xmlns="">
          <Item ID="ISBN 45-F1" Name="Winner" Price="$32.05" Author="Aka" Catalog="Business"/>
          <Item ID="ISBN 54-32" Name="C++ Inside" Price="$10.00" Author="John" Catalog="Language"/>
          <Item ID="ISBN 14-A0" Name="Java Inside" Price="$9.00" Author="Tom" Catalog="Language"/>
          <Item ID="ISBN 56-78" Name="Stock Market" Price="$8.50" Author="Bob" Catalog="Business"/>
          <Item ID="ISBN AA-02" Name="Guideline for Health" Price="$19.00" Author="Lee" Catalog="Health"/>
          <Item ID="ISBN A4-07" Name="C# Inside" Price="$8.50" Author="Bob" Catalog="Language"/>
        </Info>
      </x:XData>
    </XmlDataProvider>
    <CollectionViewSource x:Key='src' Source="{Binding Source={StaticResource MyData}, XPath=Item}">
      <CollectionViewSource.GroupDescriptions>
        <d:PropertyGroupDescription PropertyName="@Catalog" />
      </CollectionViewSource.GroupDescriptions>
    </CollectionViewSource>
  </StackPanel.Resources>

  <ListView ItemsSource='{Binding Source={StaticResource src}}' BorderThickness="0">
    <ListView.GroupStyle>
      <GroupStyle>
        <GroupStyle.ContainerStyle>
          <Style TargetType="{x:Type GroupItem}">
            <Setter Property="Margin" Value="0,0,0,5"/>
            <Setter Property="Template">
              <Setter.Value>
                <ControlTemplate TargetType="{x:Type GroupItem}">
                  <Expander IsExpanded="True" BorderBrush="#FFA4B97F" BorderThickness="0,0,0,1">
                    <Expander.Header>
                      <DockPanel>
                        <TextBlock FontWeight="Bold" Text="{Binding Path=Name}" Margin="5,0,0,0" Width="100"/>
                        <TextBlock FontWeight="Bold" Text="{Binding Path=ItemCount}"/>
                      </DockPanel>
                    </Expander.Header>
                    <Expander.Content>
                      <ItemsPresenter />
                    </Expander.Content>
                  </Expander>
                </ControlTemplate>
              </Setter.Value>
            </Setter>
          </Style>
        </GroupStyle.ContainerStyle>
      </GroupStyle>
    </ListView.GroupStyle>
    <ListView.View>
      <GridView>
        <GridViewColumn Header="ID" DisplayMemberBinding="{Binding XPath=@ID}" Width="100" />
        <GridViewColumn Header="Name" DisplayMemberBinding="{Binding XPath=@Name}" Width="140" />
        <GridViewColumn Header="Price" DisplayMemberBinding="{Binding XPath=@Price}" Width="80" />
        <GridViewColumn Header="Author" DisplayMemberBinding="{Binding XPath=@Author}" Width="80" />
      </GridView>
    </ListView.View>
  </ListView>
</StackPanel>