Hello all, I need to excute the oracle query like Below: "begin myfriends_data.get_multi_rows_detailsStartDate, :EndDate, :filed3, :filed4, ); end"; I give the StartDate value as '01/01/2009'; But when i execute the query, i got the error like Below: ORA-01843: not a valid month ORA-06512: at line 2 Pls help me how to solve the problem. Thanks,