Retrieving data with two tables

CustTable custTable;
DirPartyTable dirPartyTable;

while  select  dirPartyTable order by Name
 join       custTable where  dirPartyTable.recID==custTable.Party
 {
      warning(custTable.AccountNum);
 }

public boolean modified()
{
    boolean     ret;
   // DNGRMTmpUnitDetails          tmpUnitDetailsLoc;
    container conWorker=conNull();
    str val="";
    ret = super();
 conWorker=multiWorker.getSelectedFieldValues();
    /*
    workers.text("");
    workers.text(con2Str(conWorker,";"));*/
   // DNPayrollProcessNew.ConEmplID = multiWorker.get();
    val=con2Str(conWorker,";");
  //      info(strFmt("%1-%2",strLen(val),val));
    return ret;
}