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Ruby Rails Routes and Resources Routes to Create Actions View for New Pages

Sarah Eichenstein
Sarah Eichenstein
7,488 Points
Posted by Sarah Eichenstein
Sarah Eichenstein
7,488 Points

First argument in form cannot contain nil or be empty

I followed along step by step with the teacher and for some reason I'm getting an error when I try and load the server. Even when I copy and paste the teacher's code and use that - I get the same error. This is the code:

<%= form_for(@page) do |f| %>
  <div class="field">
    <%= f.text_field :title %>
  </div>
<% end %>

I have that in /app/views/pages/new.html.erb.

Jay McGavren
Jay McGavren
Treehouse Teacher
Jay McGavren
Jay McGavren
Treehouse Teacher

It probably means that @page is set to nil. Something may be wrong in your controller. Can you post the code for the PagesController's new method?

2 Answers

Sarah Eichenstein
Sarah Eichenstein
7,488 Points
Sarah Eichenstein
Sarah Eichenstein
7,488 Points

Oh ok. I see my mistake. I forgot to put the "def new" before the last end. Thanks for your help!

Sarah Eichenstein
Sarah Eichenstein
7,488 Points
Sarah Eichenstein
Sarah Eichenstein
7,488 Points 
class PagesController < ApplicationController
  def index
    @pages = Page.all
  end

  def show
    @page = Page.find(params[:id])
  end
end

def new
  @page = Page.new
end

This is the code I have in pages_controller.rb