From: deal bitte Date: 2012-07-17T22:05:47+09:00 Subject: Re: undefined method error The error is in .send only If i give rid.send(database_columns[session_db_array[i]]) instead of rid.send(database_columns[session_db_array[i]],data_save_array[i]) the error vanished. But I have to give the second parameter . Jan E. wrote in post #1069055: > This makes no sense. If anything Ruby would complain about *2* arguments > for 0. Is this error really caused by "send"? > > Please post the whole error message and your actual code. -- Posted via http://www.ruby-forum.com/.