xml做ds的数据源

<?xml version="1.0" encoding="utf-8"?>
<GoodsInfo>
  <Item>
    <GoodsClass>鲜花绿植</GoodsClass>
    <GoodsName>玫瑰花</GoodsName>
  </Item>
  <Item>
    <GoodsClass>鲜花绿植</GoodsClass>
    <GoodsName>菊花</GoodsName>
  </Item>
  <Item>
    <GoodsClass>鲜花绿植</GoodsClass>
    <GoodsName>月季</GoodsName>
  </Item>
  <Item>
    <GoodsClass>时尚礼品</GoodsClass>
    <GoodsName>金珠耳环</GoodsName>
  </Item>
  <Item>
    <GoodsClass>时尚礼品</GoodsClass>
    <GoodsName>金珠手镯</GoodsName>
  </Item>
  <Item>
    <GoodsClass>时尚礼品</GoodsClass>
    <GoodsName>太碾手表</GoodsName>
  </Item>
  <cl>
    <GoodsClass>chenlu</GoodsClass>
    <GoodsName>xiao</GoodsName>
    <Goodsu>liuliu</Goodsu>
  </cl>
</GoodsInfo>

DataSet ds = new DataSet();

ds.ReadXml(Server.MapPath("~/XMLFile.xml"));
                this.GridView1.DataSource = ds;
                this.GridView1.DataBind();

这样ds加载了2张表

Item表 字段是GoodsClass，GoodsName

cl表 字段是GoodsClass，GoodsName，Goodsu