Repeater嵌套Repeater

<asp:Repeater ID="rptXiaoLei" runat="server" OnItemDataBound="rptXiaoLei_ItemDataBound">
            <ItemTemplate>
                <a href='<%#Eval("columnbh") %><%#Eval("areaId") %><%#Eval("wptype") %>'></a>
                <%--传参用--%>
                <div class="beauty_f">
                    <div class="top">
                        <div class="name">
                            <a href='listShop.aspx?columnbh=<%#Eval("columnbh") %>&areaId=<%#Eval("areaId") %>&wptype=<%#Eval("wptype") %>'>
                                <%#Eval("cname") %></a>
                        </div>
                        <div id='<%#Eval("columnbh") %>' style="float: left;">
                        </div>
                        <div class="more">
                            <a href='listShop.aspx?columnbh=<%#Eval("columnbh") %>&areaId=<%#Eval("areaId") %>&wptype=<%#Eval("wptype") %>'>
                                more</a>
                        </div>
                    </div>
                    <div class="content" style="height: auto;">
                        <div class="content_a" style="height: auto;">
                            <ul style="width: 930px; height: auto;">
                                <asp:Repeater ID="rptShangPin" runat="server">
                                    <ItemTemplate>
                                        <li style="width: 180px; float: left;">[<%# GetFirstAreaName(Convert.ToString(Eval("area1Id"))) %>]<a href='detail.aspx?id=<%#Eval("id") %>'
                                            title='<%#Eval("title") %>'><%# CutString(Convert.ToString(Eval("title")),18)%></a>
                                        </li>
                                    </ItemTemplate>
                                </asp:Repeater>
                            </ul>
                        </div>
                    </div>
                </div>
            </ItemTemplate>
        </asp:Repeater>

cs页代码：

protected void rptXiaoLei_ItemDataBound(object sender, RepeaterItemEventArgs e)
    {
        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
        {
            Repeater rptShangPin = e.Item.FindControl("rptShangPin") as Repeater;//找到里层的repeater对象
            DataRowView rowv = (DataRowView)e.Item.DataItem;//找到分类Repeater关联的数据项
            string columnbh = rowv["columnbh"].ToString();//获取填充子类的id
            string areaId = rowv["areaId"].ToString();
            string wptype = rowv["wptype"].ToString();
            //每个栏目下显示多少条商品，在这里手动修改
            shopTab = shopAda.GetDataByNumHangyeAreaId("55", columnbh, areaId, wptype);
            rptShangPin.DataSource = shopTab;
            rptShangPin.DataBind();
        }
    }