嵌套repeater数据绑定

 protected void HouseSiteRpt_ItemDataBound(object sender, RepeaterItemEventArgs e)
        {
            if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
            {
                Repeater rpt = (Repeater)e.Item.FindControl("BuildPics");
                System.Data.DataRowView rowv = (System.Data.DataRowView)e.Item.DataItem;
                string ID = rowv["ID"].ToString();

                ShowHouse.GetBuildingPics(ID).Bind(rpt);
            }
        }