I have a form like this.. <div style="padding:13px"> <%= form_for @lesson do |f| %> <%= f.label :lesson_name, "Lesson title" %></br> <%= f.text_field :lesson_name, class: "form-control" %></br> <%= f.label :lesson_icon, "Choise icon" %> <%= f.select "lesson_icon", options_for_select([ "ico-03", "ico-04","ico-05","ico-06" ])%></br></br> <div> <%= f.fields_for :sublessons do |sublesson_a| %> <div class="add_new_subtitle"> <%= sublesson_a.label :sublesson_name, "Subtitle 1" %></br> <%= sublesson_a.text_field :sublesson_name, class: "form-control" %></br> <%= sublesson_a.label :sublesson_content, "Content" %></br> <%=sublesson_a.text_area 'sublesson_content', rows: 3, class: 'form-control'%></br> <%= sublesson_a.label :sublesson_video_link, "Video link" %><br> <%= sublesson_a.text_field :sublesson_video_link, class: "form-control" %></br> </div> </div> <%end%> <a href="javascript:;" style="float:right" class="btn btn-primary" id="addNewTag">Add Sublesson</a> <%= f.submit "Submit", class: "btn btn-primary" %> <% end %> In controller i have...(because i want 51 sublessons fields) def new_lesson @lesson=Lesson.new 51.times{@lesson.sublessons.build} end The problem is in html the sublessons fields look like this.... <div id="main" class="clearfix" style="overflow: hidden"> <br> <div style="padding:13px"> </div> <div style="padding:13px"> <form id="new_lesson" class="new_lesson" method="post" action="/lessons" accept-charset="UTF-8"> <div style="display:none"> <label for="lesson_lesson_name">Lesson title</label> <br> <input id="lesson_lesson_name" class="form-control" type="text" name="lesson[lesson_name]"> <br> <label for="lesson_lesson_icon">Choise icon</label> <select id="lesson_lesson_icon" name="lesson[lesson_icon]"> <br> <br> <div> <div class=""> </form> </div> <div class=""> </div> <div class=""> </div> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> <div class="add_new_subtitle"> This went i watch with firebug but when i see the source of the face everything looks fine....I attach also a printscreen...Please help Attachments: http://www.ruby-forum.com/attachment/9972/Capture.JPG -- 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 unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/1f56e1471a679746c29429b2bedc5df2%40ruby-forum.com. For more options, visit https://groups.google.com/d/optout.