Repeater 嵌套问题，急！

Question

我想在一个repeater中嵌套另外一个repeater。想给里层的repeater绑定数据源，却无法引用该对象。请高手指教！

Answer 1

请参考
//aspx
            <asp:repeater id="repeaterMain" Runat="server" OnItemDataBound="repeaterMain_ItemDataBound">
            <ItemTemplate>
            <a href='<%#"Details.aspx?au_id=" + DataBinder.Eval(Container,"DataItem.au_id")%>'><%#DataBinder.Eval(Container,"DataItem.au_id")%></a> 
            <asp:repeater ID="repeaterSub" Runat="server">
                <ItemTemplate>
                     <a href='<%#"Details.aspx?title_id=" + DataBinder.Eval(Container,"DataItem.title_id")%>'><%#DataBinder.Eval(Container, "DataItem.title_id")%></a>
                </ItemTemplate>
                </asp:repeater>
            </ItemTemplate>
            </asp:repeater>//aspx.cs
    private void BindMain()
    {
        SqlConnection cn = new SqlConnection(@"server=.\SQLExpress;uid=sa;pwd=password;database=pubs");
        SqlDataAdapter da = new SqlDataAdapter("select au_id from authors", cn);
        DataSet ds = new DataSet();
        cn.Open();
        da.Fill(ds);
        repeaterMain.DataSource = ds.Tables[0].DefaultView;
        repeaterMain.DataBind();
        cn.Close();
    }    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindMain();
        }
    }    protected void repeaterMain_ItemDataBound(object sender, RepeaterItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            string au_id = ((DataRowView)e.Item.DataItem).Row["au_id"].ToString();
            Repeater repeaterSub = (Repeater)e.Item.FindControl("repeaterSub");
            if (repeaterSub != null)
            {
                SqlConnection cn = new SqlConnection(@"server=.\SQLExpress;uid=sa;pwd=password;database=pubs");
                SqlCommand cmd = new SqlCommand("select title_id from titleauthor where au_id = @au_id", cn);
                cmd.Parameters.Add("@au_id", SqlDbType.VarChar, 11).Value = au_id;
                cn.Open();
                repeaterSub.DataSource = cmd.ExecuteReader();
                repeaterSub.DataBind();
                cn.Close();
            }
        }
    }