On 12 April 2016 at 14:43, Naveed Alam <li...@ruby-forum.com> wrote: > Colin Law wrote in post #1182787: >> On 12 April 2016 at 08:52, Naveed Alam <li...@ruby-forum.com> wrote: >>>> As a beginner I suggest you work right through a good tutorial in >>>> order to get the basics or Rails. The one I suggest is >>>> railstutorial.org (which is free to use online). >>>> >>>> Colin >>> >>> Thanks colin I already tried this but it give me the error: >>> >>> undefined method `company_name' for nil:NilClass >> >> Please quote the previous message when posting, this is a mailing list >> not a forum (though you may be accessing it via a forum like >> interface). >> >> If the statement >> category.supplier.company_name >> gives the error undefined method `company_name' for nil:NilClass then >> that means that category.supplier is nil, or to put it another way, it >> means that category does not have an associated supplier. You >> probably need something like >> <td><%= category.supplier.company_name if category.supplier %></td> >> which will only attempt to determine the name if category.supplier is >> not nil >> >> Colin > > Sory none of them worked, pls chk my app,
Just copy/paste the error here and the few lines of code around the failure. Colin > https://www.dropbox.com/s/siioqa8q8xkdf46/tPOS.zip?dl=0 > > thanks. > > -- > Posted via http://www.ruby-forum.com/. > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to rubyonrails-talk+unsubscr...@googlegroups.com. > To post to this group, send email to rubyonrails-talk@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/rubyonrails-talk/f7a208acc016c2f5399a82b98c4bccab%40ruby-forum.com. > For more options, visit https://groups.google.com/d/optout. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/CAL%3D0gLuCa0u_1r5FUhnn%3DaOcfok3J9rMr2QA32O39d%3DLtsrscA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
