CustAgingReport

regarding CustAging Report, basically i want to dispaly customer Address on same report, for this i just work Around which is:
1.Add new string field in CustAgingReportTmp name is Address, then create new method in custAgingReportDp code is
public str GetCustomerAddress(Accountnum _accountNum)

{
str address;
select * from custTable
where custTable.Accountnum==_accountNum;
{
address=custTable.address();
}
return address;
}
then in insertintoCustAgingTmp method of CustAgingReprotDP class, i just called the above method ,i.e
customerAddress=this.getCustoemrAdress(tmpaccountSum.accountNum);
and then place that cusomerAddresss string to insertRecordSet ,
when i debugging the code, so that time the value is showing , but on report no data populated, plz guide me where i making mistake...Thanks & Regards