Ray This should give me some number but again its showing me NULL Iconv(RecordDate,"D-YMD[4,2,2]") - Iconv(LkUp.LAST_INCDR_DATE[1,10],"D-YMD[4,2,2]") -Hemant Hemant, Check out if the Date field is null in some rows, if so try using the condition Not Null and convert the date usi...