I’m trying to get a select box of categories to appear in my items
views after I created everything using generate scaffold, but I can’t
get the categories to appear in my forms.
class ItemsController < ApplicationController
def new
@item = Item.new
@category = Category.find_all
end
…
class Item < ActiveRecord::Base
belongs_to :category
end
class Category < ActiveRecord::Base
has_many :items
end
I found some news postings that said the select tag in my _forms.rhtml
was ‘object’, ‘attribute’, and ‘list_items’, but I’ve tried several
combinations and can’t get this right.
This is my ~/app/views/items/_form.rhtml
Category
<%= select 'item', 'name', 'category' %>
I think I’ve got the above wrong, but now sure how.
Here’s my database. Basically, all I want to do is assign a category to
each item.
CREATE TABLE categories (
id int unsigned NOT NULL auto_increment,
name varchar(32),
description varchar(256),
PRIMARY KEY (id)
);
CREATE TABLE items (
id int unsigned NOT NULL auto_increment,
name varchar(32),
category_id int unsigned,
PRIMARY KEY (id)
);