similar to: help

3: 4: <b>Category: </b> 5: <select id="item_category_id" name="item[category_id]"> 6: <%= options_from_collection_for_select @categories, "id", "category", @product.category_id %> 7: </select> 8: </p> 9:

All, I am having a bit of trouble with the error. I hava a product and category table and wanting to display the categories in a drop down list. Below is the error I get. Any suggestion on how I can fix this. undefined method `name'' for #<Category:0x3652448> 9: <select name="product[category_id]"> 10: <% @categories.each do |category| %> 11:

Hi, I have a small blog application, and I would like to shorten its routes. Here they are: Blog::Application.routes.draw do resources :categories do resources :articles do resources :comments end end A rake routes command produce the following lines: GET /categories/:category_id/articles/:article_id/comments(.:format)

Hello all! I would like to get an admin interface for my shopping cart app up and running using rails. The admin interface will be used for Customers, Products, Catggories, ect management. My db schema reflects the above mention tables names. The question I have is could I use the scaffold feature this way: (eg)---ruby script/generate scaffold Products Customers Categories Admin?

Hello There I new to rails development and looking to write a simple site using rails. Does any one know of and example ecommerce application that that I can use as a base to build from. My db schema is very simple--product, categories, orders and order_item tables. Any suggestions will be highly appreciate. Thanks Pat

Hi all, I am a newbie to Rails. Please enlighten me on how to do this appropriately, the Rails and the Ruby way: Suppose I have a Recipe model. Let''s simplify things and pretend that it has only 2 attributes, a :name and the other is a ''category_id''. In the recipes table, category_id is a foreign key to field id of table categories. We also assume that I have generate

I''m working on a simple CMS. The main data type are "listings" a listing habtm (has_and_belongs_to_many) categories and subcategories. Subcategories belong_to categories. Subcategories are basically the same as categories, but they are treated differently in a few situations. The problem is, I can''t seem to write the view/controller/model code that allows me to

I really hope this is not a bad question (as in he''s abusing the list). However I could use a little direction (even though I''m reading books, tutorials) Right now I''m getting a undefined method `category'' for 4:Fixnum The specific lines from the rhtml file are: <td><%= link_to position.category_id.category, :action => "show", :id =>

People, I can order categories when looking at the categories list page but how do I change the recipe page to list the categories in alpha order in the recipe pull-down box?: > <p><b>Category:</b><br> > <select name="recipe[category_id]"> > <% @categories.each do |category| %> > <option value="<%= category.id

Is there any reason that foreign key fields do not show in any of the scaffold views ? project table: id serial primary key, category_id integer, user_id integer, name varchar, morestuff varchar foreign key (category_id) references categories(id), foreign key (user_id) references users(id) scaffold generated views only show name, morestuff fields

Hi there, I''ve been working on this for awhile and have finally decided to ask for a little guidance.I have a slight problem trying to save a selection. I have two models: A "Posting" has_many "Categories", and a "Category" belongs_to one "Posting". With that said, in the posting model I have "has_many :categories" and within the

Hi all, I''m trying to create a related dropdown box: In my view: <select name="category" id="category"> <option value="">Select category</option> <% @categories.each do |category| %> <option value="<%= category.id %>"> <%= category.title %> </option> <% end %>

Hello, I''m stuck, I''ve got a model Product and would like to add a new model called Category. Furthermore, I want to set up a many2many relationship between the mentioned models. the problem is that I do not know how to set the primary key in the categories_products table. this is what I''ve got in my migration file: create_table :categories do |t| t.column :name,

Can someone clarify this for me? Suppose I have two tables like: class Company < ActiveRecord::Base belongs_to :category end class Category < ActiveRecord::Base has_many :companies end I understand that the belongs_to causes related companies to be read from the db when I ask for a category. I suspect SQL something like select * from categories, companies where category.id

Ahoy, I made this pager, " def list @item_pages = Paginator.new self, Item.count, 10, @params[''page''] @items = Item.find :all, :conditions => "category_id = #{params[:condition]}", :limit => @item_pages.items_per_page, :offset => @item_pages.current.offset @categories = Category.find_all

Hi Gurus, I''m trying to tackle a drop down list. I have category and item dbs, and they''re wired up with category has_many :items and item belongs_to :category, and an item has a category_id. I have this code in my new/edit.html.erb for item: <%= f.collection_select :category_id, Category.find_main, :id, :header, {}, :multiple => false %> And a pretty drop down list

I''ve got a model, "category" and another model "subcategory." Each subcategory belongs_to a category, and a category has_many subcategories. What I need to do is set it up so that I can search Category and Subcategory with one .find call. So: Category.find(:all, <etc) will find categories and subcategories. Now, I believe this can be done by making

2 tables Items and Categories Categories (id, name) Items (id, name, category_id) Category_id can be null, and there are Categories that has not an Item. -- 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 post to this group, send email

i think there ara two ways of relate products and categories , basically i want to fix one product(e.g hp dv7....) to some categories (notebook,17"notebooks...) i made a table named categorization(incuding category_id,product_id fields) then in models i write these codes below class Product < ActiveRecord::Base has_many :categories, :through => :categorizations

Hi everyone I''m Maximiliano Guzenski from Brazil and I am programing on ruby on rails only a couple of months. I read a lot of books and articles about it but I could not clarify some doubts about design patterns: 1) Is it really good put some sql command on controller? because all articles that I see use sql into controllers, like: # my controller @categories = Category.find