Help with partial


#1

First and foremost sorry if my english is not the best.

In my application I have a view whit tickets and i can select it one to
one with a button.
The selected tickets go to another view that shows me the tickets i have
choosen. I want to export this selected tickets to excell.

My code is the next:

routes.rb

map.resources :tickets, :collection => { :exportar=>:get,
:auto_complete_for_ticket_province => :get,
:auto_complete_for_ticket_city => :get,
:auto_complete_for_ticket_zip => :get,
:auto_complete_for_ticket_adquired_in => :get }


tickets_controller

def add_to_cartticket
#Add the selected ticket to cartticket, works fine

end

def find_cartticket
#creates a new cartticket if whe iniciates the session, works fine
end

def vaciar_cartticket
#deletes all the tickets added to carticket in the current session,
works fine
end

def expotar #THIS METTOD SHOULD SELECT ALL THE CURRENT TICKETS IN
CARTICKET, i think works wroung
@cartticket.items= Cartticket.items
headers[‘Contenet-type’]=“aplication/vnd.ms-excel”
headers[‘Contenet-Disposition’]=‘attachment; filename=“report.xls”’
headers[‘Cache-Control’]=’’
end


add_to_cartticket.html.erb

h2>Tickets seleccionados

    <% for item in @cartticket.items %>
  • <%=h item.id %>
  • <% end %>

<%= button_to "Vaciar" , :action => :vaciar_cartticket %>

<%= link_to ‘Exportar a Excel’, exportar_tickets_url %> # MUST SHOW THE
SELECTED TICKETS ON .XLS COMPATIBLE


exportar.html.erb

<td>adios</td>

<td>dew</td>
<%=render :partial=> "item", :collection=>@cartticket.items %>
hola
---------------------------------- exportar.html.erb ---------------------------------- <%=item.user_id%> <%=item.contact%> <%=item.phone%>

++++++++++++++++++++++++++++++++++

whe i try to link to “Exportar a Excel” Firefox shows me this error:

NoMethodError in Tickets#exportar

Showing tickets/exportar.html.erb where line #9 raised:

You have a nil object when you didn’t expect it!
The error occurred while evaluating nil.items

Extracted source (around line #9):

6:
7:

dew
8:
9: <%=render :partial=> “item”, :collection=>@cartticket.items %>
10:

Could somebody help me to find the error(s)…Thanks a lot


#2

this should go to the rubyonrails mailing list.


#3

Ryan D. wrote:

this should go to the rubyonrails mailing list.

Sorry I move it now