Repeater嵌套

  protected void R_DestCategory_ItemDataBound(object sender, RepeaterItemEventArgs e)    {        if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)        {            Repeater R_RecommendNews = (Repeater)e.Item.FindControl("R_SubCategory");            int parentid = Convert.ToInt32(DataBinder.Eval(e.Item.DataItem, "id"));            R_RecommendNews.DataSource = new BLL.Destination().Get("parentid=" + parentid + " order by sort asc,id desc");            R_RecommendNews.DataBind();            R_RecommendNews.Dispose();        }    }