Why am I getting an attribute_methods error when using form_for?

I keep getting this error when I attempt to do this form_for, either in a partial or in the "show" view. Can anyone explain what I'm doing wrong?

Showing c:/.../show.html.erb where line #1 raised:

c:/Ruby192/lib/ruby/gems/1.9.1/gems/activemodel-3.0.3/lib/active_model/attribute_methods.rb:272: syntax error, unexpected ')'
c:/Ruby192/lib/ruby/gems/1.9.1/gems/activemodel-3.0.3/lib/active_model/attribute_methods.rb:273: syntax error, unexpected '?', expecting $end
Extracted source (around line #1):

1: <%= form_for(@post) do |f| %>
2:   <div class="field">
3:     <%= f.text_area :content %>
4:   </div>

At this point, my controller only has this:

def show  
     @post = Post.new  
end  

And my view only has:

<%= form_for(@post) do |f| %>  
  <div class="field">  
    <%= f.text_area :content %>  
 </div>  
 <div class="actions">  
    &l开发者_开发知识库t;%= f.submit "Submit" %>  
  </div>  
<% end %>  

My model is:

# == Schema Information  
#  
# Table name: posts  
#   
#  id         :integer         not null, primary key  
#  content    :string(255)  
#  approved?  :boolean  
#  kid_id     :integer  
#  created_at :datetime  
#  updated_at :datetime  
#  
class Post < ActiveRecord::Base  
  belongs_to :kid  
  attr_accessible :content  
  validates :content, :presence => true, :length => { :maximum => 140 }  
  validates :kid_id, :presence => true  



default_scope :order => 'posts.created_at DESC'

end

Even tried two different versions of Rails 3 with no luck...

It's hard to tell for sure but based on the code you supplied from the view and the error message, you probably forgot to close the form_for with end:

<%= form_for(@post) do |f| %>
   <%= f.text_area :content %>
<% end %>

Edit:

Looking at your model I actually managed to reproduce your problem by adding a questionmark to one of my database columns.

The columns in your tables should not contain any special characters like questionmark. Rename the column approved? to approved and it should work.