i use file_column0.31 and rmagick1.141 i often got the error "undefined method `data_relative_path' for #<Photo:0x6da7568>" when the page display image. i print some debug info ,when display natural: in============================================url_for_file_column object============================================#<Photo:0x6c9d0b4> photo.data============================================./script/../config/../p ubl ic/photo/data/24/850A63B034A4FAB73.jpg object.methods.grep(/method/)=====================data_just_uploaded?,data_op tio ns,data_relative_path,data_dir,data_relative_dir,data_temp,data_temp=,data,da ta,data_magick_after_assign method============================================data subdir============================================thumb relative_path==================24/thumb/850A63B034A4FAB73.jpg and this is error in============================================url_for_file_column object============================================#<Photo:0x6d97938> photo.data============================================850A63B034A4FAB73.jpg object.methods.grep(/method/)=====================data?,data method============================================data subdir============================================thumb i suppose the method "data_relative_path" cant be found. version: ruby 1.8.5 (2006-08-25) [i386-mswin32] Rails 1.2.3 my sourcecode: photo.rb class Photo < ActiveRecord::Base validates_format_of :data, :with=>/^.*(.jpg|.JPG|.gif|.GIF)$/, :message => "你只能上传JPG或则GIF的图片文件" file_column :data, :magick => { :versions => { "thumb" => "50x50>", "medium" => "640x480>" } } belongs_to:user belongs_to:entry end in **.rhtml <%= image_tag url_for_file_column 'photo', 'data' %> at rubyforge.com i found rmagick-1.14.1-win32.gem and rmagick-1.15.6.gem ,iused rmagick-1.14.1-win32.gem ; and what is the difference??? -- Posted via http://www.ruby-forum.com/. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk-unsubscribe@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---