<%set data=GetProductType("0")%> <%loop (DataRow) drtop1 data%>

{drtop1[pt_name]}

<%set data1=GetProductType(drtop1["pt_id"].ToString())%> <%loop (DataRow) drtop2 data1%> {drtop2[pt_name]} <%/loop%>

<%/loop%>