On Apr 26, 4:15 am, Colin Law <clan...@googlemail.com> wrote:
> On 26 April 2011 08:56, amrit pal pathak <amritpalpath...@gmail.com> wrote:
>
> > ...
> > class BookController < ApplicationController
> > def index
> > @book =Book.new
>
> Think about what this is doing. What is @book? It is a new Book
> object, not surprisingly.
>
>
>
>
>
>
>
>
>
> > end
> > end
>
> > 1)Index.html.erb:
>
> > <h1>Books are coming soon!</h1>
> > <h1>Listing Books</h1>
> > <table>
> > <tr>
> > <th>Title</th>
> > <th>Summary</th>
> > <th></th>
> > <th></th>
> > <th></th>
> > </tr>
> > <% @book.each do |book| %>
>
> Above is the line the error is on, what is it supposed to be doing?
> Please explain what you think it means.
I think it retrieves the book details like title and
contents from database.But here it no use so am removing this block.
<% @book.each do |book| %>
<tr>
<td><%= book.title %></td>
<td><%= book.content %></td>
</tr>
<% end %>
> > NoMethodError in Book#index
>
> > Showing /home/amrit/boook/app/views/book/index.html.erb where line #14
> > raised:
>
> > undefined method `each' for #<Book id: nil, created_at: nil,
> > updated_at: nil>
>
> When you see an error it is not always easy for a beginner to work out
> what it means. Please try and work it out for yourself before asking
> here. What do you think it might mean? Also as I asked above, what
> do you think that line is supposed to do?
Amrit pal
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