From: bbiker <renard@...>
Date: 2007-10-20T08:50:01+09:00
Subject: Re: why I can't update data, but I can insert data into new mode

On Oct 19, 4:40 pm, OnRails Ruby <z...@sina.com> wrote:
> why I can't update data, but I can insert data into new model.
> like this:
> if File.find_by_id(id)
> file=File.find_by_id(id)
> else
> file=File.new
>
> file.name=name
> file.save
>
> there is a problem, when there don't find id, there is no problem, But
> when find id, update the field,
> there is Error,  there said: undefined method 'name='
> why? who can help me? Thanks!!
> --
> Posted viahttp://www.ruby-forum.com/.

OOPS!!! my bad

there is no name method for name=

there is a rename method

File.rename("old_file_name", "new_file_name")