change ur form like this
<%= form_for @lesson do |f| %>
<%=f.label :lesson_name, "Lesson title" %></br>
<%= f.text_field :lesson_name, class: "form-control" %></br>
<%= f.submit %>
On Thu, Aug 7, 2014 at 11:53 AM, Turcu Marius <li...@ruby-forum.com> wrote:
> Hello! I have some problems
>
> I have a pages controler and a view called add_lesson.In this view i use
> a partial to another view of lesson controller.This is the partial
> _show.html.erb
>
> <%= form_for @lesson do %>
> <%= label_tag(:lesson_name, "Lesson title") %></br>
> <%= text_field_tag :lesson_name, nil, class: "form-control" %></br>
> <%= label_tag(:lesson_icon, "Choise icon") %>
> <%= select_tag "lesson_icon", options_for_select([ "ico03",
> "ico04","ico05","ico06" ])%></br></br>
>
> <%= label_tag(:Title, "Subtitle 1") %></br>
> <%= text_field_tag :sublesson_title, nil, class: "form-control" %></br>
> <%= label_tag(:title, "Content") %></br>
> <%=text_area_tag 'content', nil, rows: 3, class: 'form-control'%></br>
>
>
>
> <%= label_tag(:video, "Video link") %><br>
> <%= text_field_tag :video_link, nil, class: "form-control" %></br>
> <%= submit_tag("Submit", class: "btn btn-primary") %>
>
>
> <% end %>
>
> IN lesson controler i have
> def index
> end
>
> def create
> #render text: params.inspect
> @lesson = Lesson.new(lesson_params)
>
> if @lesson.save
> redirect_to lessons_url
> else
> render 'new'
> end
> end
> def new
> @lesson=Lesson.new
> @lesson.build_sublesson
> end
> def show
> @lesson=Lesson.all
> end
>
> private
>
> def lesson_params
> params.require(:lesson).permit(:lesson_name, :lesson_icon)
> end
>
>
> When i submit the form i receive an error like this First argument in
> form cannot contain nil or be empty. It is from @lesson in the form but
> i don't know how to fix it. Please help
>
> --
> Posted via http://www.ruby-forum.com/.
>
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