Replace @expense = Expense.new(params [: expense]) at @e1 = Expense.new(params [: expense]) in the create action since the render =>: new variable @e1 is not defined, but in view, it is used.
2009/11/18 Arun Srini <[email protected]> > > After much ado about the naming of model adn controllers... > > model : Expense > controller : Expenses > route : map.resources :expenses > > > Here I am using mysql database and created a unique index, since > db:migrated created an id object and made it as primary key. Now in > the > def create > @expense = Expense.new(params[:expense]) > if @expense.save > flash[:viola] = 'New expense saved.. be frugal, save during this > bad economy' > redirect_to expenses_path > else > render :action => 'new' > #redirect_to new_expense_path > end > > > Here I try to save, and if any error, render action =>'new'. When I do > that I get the > > Called id for nil, which would mistakenly be 4 -- if you really wanted > the id of nil, use object_id > > Extracted source (around line #1): > > 1: <% form_for @e1 do |er| %> > 2: <p> > 3: name :<br /> > 4: <%= er.text_field :name %> > > I have the @e1 defined correctly in the controller (how can it work > when I go to the new page directly using localhost:300/expenses/new ). > > And the trace : > vendor/rails/actionpack/lib/action_controller/record_identifier.rb: > 72:in `dom_id' > vendor/rails/actionpack/lib/action_view/helpers/ > record_identification_helper.rb:16:in `dom_id' > vendor/rails/actionpack/lib/action_view/helpers/form_helper.rb:264:in > `apply_form_for_options!' > vendor/rails/actionpack/lib/action_view/helpers/form_helper.rb:248:in > `form_for' > app/views/expenses/new.html.erb:1:in > `_run_erb_47app47views47expenses47new46html46erb' > app/controllers/expenses_controller.rb:18:in `create' > > What I don't understand is the form_for works fine when used > initially, or even through the > redirect_to new_expense_path > but not through the action => 'new' > > Any help is appreciated...... > > -- > > 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 [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=. > > -- 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 [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=.

