On 28 Dec 2008, at 17:04, Daniel wrote:

>
> OK. I have 4 models, item/category/subcategory/brand
>
> association like following
>
> item
> belongs_to :brands
> belongs_to :categories
> belongs_to :subcategories
>
belongs_to should be singular

Fred

> brand
> has_many :items
>
> category
> has_many :items
> has_many :subcategories
>
> subcategory
> has_many :items
> belongs_to :category
>
> I also have "category_id", "brand_id", "subcategory_id" as integer, in
> @items
>
> I have following in item/index view
>
> <% for item in @items %>
> <%=h item.category.category_name %>
> <%=h item.brand.brand_name %>
>
> I got undefined method "category" error message, but no error message
> for "brand"
>
> In rails console, I tried like following
>>> c=Item.find(:first)
>>> c.brand.brand_name
> above I can got the brand_name correctly. But
>>> c.category.category_name
> I got same error message "undefined method 'category' "
>
> Why would this happen?
> >


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