On Mon, May 23, 2011 at 6:38 AM, Colin Law <[email protected]> wrote:
> On 23 May 2011 11:20, john shelfer <[email protected]> wrote: > > > > > > On Mon, May 23, 2011 at 3:04 AM, Colin Law <[email protected]> > wrote: > >> > >> On 23 May 2011 02:59, John shelfer <[email protected]> wrote: > >> > > >> > > >> > On May 22, 12:57 pm, Jatin kumar <[email protected]> wrote: > >> >> You are confusing things a lot. > >> >> Answer this question first: > >> >> Did you scaffold the model or you are adding the files one by one > >> >> writing > >> >> the code by hand. > >> > I didnt scaffold.I am adding files one by one. > >> > > >> >> 1. If you did scaffold, I don't see a problem coming anywhere. > >> >> 2. If you didn't scaffold, then go for Colin's suggestion and read > the > >> >> guides, you will understand how Rails works. > >> >> AND read the guides rightnow, before you get troubled by another > >> >> problem. > >> >> > >> >> As of the current problem that you are facing, do this: > >> >> 1. Look up the database table for posts, and see if you have a column > >> >> named > >> >> 'name' in there. If not, what went wrong. > >> > In 'posts' table there is no column for name,title and content. > >> > >> I suggested before reading the Rails Guide on Routing. I also suggest > >> that you read the Getting Started guide and then the others. Also > >> work through a good tutorial (make sure it is for the version of Rails > >> that you are using). railstutorial.org is a good free to use online > >> tutorial. > > > > Thank you very much.I will read it now. > >> > >> The reason is that you are missing some fundamental > >> understanding of how Rails works. When you do form_for(@post) and > >> then f.text_field :name rails expects @post to have a method 'name' to > >> get the initial value for display. Often this will come automatically > >> from the fact that the posts table will contain a column 'name'. > >> Since you have no such column it complains that Post has no method > > > > Because i am not doing scaffold,so can i add column values > > manually to table 'posts' OR changes should be made in > > Model. > > You can add them using migrations. railstutorial.org will show you > how to do that. > I created migration and added following code inside and then did > "rake db:migrate" but still the same error persists.I think now it might > work,but it did not. > class CreatePosts < ActiveRecord::Migration def self.up create_table :posts do |t| t.string :name t.string :title t.text :content t.timestamps end end def self.down drop_table :posts end end John -- 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=en.
