数据控件嵌套的几种方法

俺的方法：

<asp:Repeater ID="myrpList" runat="server">
          <HeaderTemplate>
          <table width="100%" border="0" align="center" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF">
          </HeaderTemplate>
          <ItemTemplate>
            <tr>
              <td width="4%" height="25" valign="top">&nbsp;</td>
              <td width="96%" valign="top"><strong><%# Eval("classname")%></strong></td>
            </tr>
            <tr>
              <td height="25" valign="top">&nbsp;</td>
              <td valign="top">
               <asp:DataList ID="mydList" runat="server"><HeaderTemplate>
                <table width="100%" border="0" cellspacing="0" cellpadding="0">
                  </HeaderTemplate>         
                    <ItemTemplate>
                  <tr>
                    <td>&nbsp;<%# Eval("title")%></td>
                  </tr>
                    </ItemTemplate>
                    <FooterTemplate>
                </table></FooterTemplate></asp:DataList></td>
            </tr> 
            </ItemTemplate>
            <FooterTemplate>
          </table> 
          </FooterTemplate>             
          </asp:Repeater>

CS:

    void BinData()
    {
        WebClass.ArticleList tmp = new WebClass.ArticleList();
        DataTable dt = tmp.ListClass();
        this.myrpList.DataSource = dt;
        this.myrpList.DataBind();

        int strID;
        foreach (RepeaterItem it in this.myrpList.Items)
        {
            int i = int.Parse(it.ItemIndex.ToString());
            strID = int.Parse(dt.Rows[i]["id"].ToString());
            DataList dlist = (DataList)it.FindControl("mydList");

            dlist.DataSource = tmp.ShowClassAricle(strID);
            dlist.DataBind();
        }
    }

网上看到的：

//在绑定分类品名时,绑定分类下的产品 
private void rptCategories_ItemDataBound(object sender, System.Web.UI.WebControls.RepeaterItemEventArgs e) 
{ 
    BLL.Products products =new BLL.Products(); 
    if (e.Item.ItemType == ListItemType.Item ||    e.Item.ItemType == ListItemType.AlternatingItem)  
    { 
        Repeater rptProduct = (Repeater) e.Item.FindControl("rptProduct"); 
        //找到分类Repeater关联的数据项 
        DataRowView rowv = (DataRowView)e.Item.DataItem; 
        //提取分类ID 
        int CategorieId = Convert.ToInt32(rowv["ID"]); 
        //根据分类ID查询该分类下的产品，并绑定产品Repeater 
        rptProduct.DataSource = products.GetProductsByCategorieId(CategorieId); 
        rptProduct.DataBind(); 
    } 
} 

还有一种方法：

<!-- start parent repeater -->
<asp:repeater id="parentRepeater" runat="server">
   <itemtemplate>
      <b><%# DataBinder.Eval(Container.DataItem,"au_id") %></b><br>

      <!-- start child repeater -->
      <asp:repeater id="childRepeater" datasource='<%# ((DataRowView)Container.DataItem)
      .Row.GetChildRows("myrelation") %>' runat="server">

         <itemtemplate>
            <%# DataBinder.Eval(Container.DataItem, "[\"title_id\"]")%><br>
         </itemtemplate>
      </asp:repeater>
      <!-- end child repeater -->

   </itemtemplate>
</asp:repeater>
<!-- end parent repeater -->

cs:

   public void Page_Load(object sender, EventArgs e)
    {
        //Create the connection and DataAdapter for the Authors table.
        SqlConnection cnn = new SqlConnection("server=.;database=pubs; user id=sa;pwd=;");
        SqlDataAdapter cmd1 = new SqlDataAdapter("select * from authors", cnn);

        //Create and fill the DataSet.
        DataSet ds = new DataSet();
        cmd1.Fill(ds, "authors");

        //Create a second DataAdapter for the Titles table.
        SqlDataAdapter cmd2 = new SqlDataAdapter("select * from titleauthor", cnn);
        cmd2.Fill(ds, "titles");

        //Create the relation bewtween the Authors and Titles tables.
        ds.Relations.Add("myrelation",
        ds.Tables["authors"].Columns["au_id"],
        ds.Tables["titles"].Columns["au_id"]);

        //Bind the Authors table to the parent Repeater control, and call DataBind.
        parentRepeater.DataSource = ds.Tables["authors"];
        Page.DataBind();

        //Close the connection.
        cnn.Close();
    }