thanx to all
I've got my problem solved..
i didn't change anything on my code..
but changed the type of the field on the table
product table : id | Name | Price | Country_id
country table : id | CountryName
since the "id" fields are the integer type,
I changed the type of the Country_id field from the string to the
integer..
(I was just blindly following and not thinking when the instruction
for building controllers)
duh!...
I hope, none of you make mistakes like i did..
.. so I'm revealing my dumb mistake like this one out in the
open... :)
well.. for the conclusion..
<%= collection_select ("product", "Country_id",
@country, :id, :CountryName) %>
this is it..
i don't need to use "selected=>" option or whatsoever options, for my
case.. the "County_id" or :Country_id,
the :method takes both the method or the value itself and applies for
editing..
happy "ruby on rails"ing
On 5월29일, 오전12시33분, Fred <[email protected]> wrote:
> im fairly new to Ruby On Rails, but I had to do this and here how I
> did it.
>
> in my subscriber controller:
> def edit
> @subscriber = Subscriber.find(params[:id])
> @offer = Offer.find(@subscriber.offer)
> @offers = Offer.find(:all)
> end
>
> In my edit view:
>
> <p>
> Offer:
> <select name="subscriber[offer_id]">
> <% @offers.each do |offer| %>
> <% if @offer==offer %>
> <option value="<%= offer.id %>" selected>
> <%= offer.name %>
> <% else %>
> <option value="<%= offer.id %>">
> <%= offer.name %>
> <%end%>
> </option>
> <% end %>
> </select>
> </p>
>
> It may be not the most efficient way since Im fairly new to RoR or to
> web programming in general. I just did a if.else checking when in the
> list of offers I get the subscriber.offer and added a "selected" a
> little bit like your were trying to do
>
> On May 28, 10:09 am, Mike75 <[email protected]> wrote:
>
> > well..
> > Litwin, i've tried it..
> > and it shows the drop down list..
> > but not with the saved data in the selected option, instead, it shows
> > the default value, the one on top of the list.
>
> > it supposed to work just like that?
> > is there something i've done wrong, then?
>
> > On May 28, 1:11 am, "E. Litwin" <[email protected]> wrote:
>
> > > Have you tried using the same collection_select statement on the edit
> > > page? It works for me.
>
> > > On May 27, 6:24 am, Mike75 <[email protected]> wrote:
>
> > > > hi..
> > > > I'm having a problem with an editing view to show adropdownlist
> > > > withselectedvalue.
>
> > > > my tables are as followed
> > > > product table : id | Name | Price | Country_id
> > > > country table : id | CountryName
>
> > > > on the product new.htm.erb, I've got the list like this
> > > > <%= collection_select ("product", "Country_id",
> > > > @country, :id, :CountryName) %>
> > > > and it generates <select> html tags and saves good too.
>
> > > > now, I'd like to edit the product on the edit.html.erb with the same
> > > >dropdownlist with
> > > > collected product.Country_id.
>
> > > > <option value = "{product.Country_id}"selected> CountryName</option>
>
> > > > anyone knows how to to this? I've tried the rails.api way of doing
> > > > it.. such as
>
> > > > select(:product, :Country_id, country.find(:all).collect {|c|
> > > > [ c.CountryName, c.id ] }, {:include_blank => 'None'})
> > > > and it didn't work..
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