Rails - Nov 2010 - Delete action is not working and redirects to edit action

Hello,
i have a strange problem here. I have made a teacher controller using
scaffold. All actions work fine but the delete does not. When i click
the delete link, it redirects me to the edit of this teacher. I have
restarted the server and i have tried in firefox (i use chrome) but
problem still remains. Here is the code from my view.

   <%= link_to(image_tag("/images/
delete_icon.jpg",:size=>"20x20",:border=>"0"),
teacher, :confirm =>
''Are you sure?'', :method => :delete)%>

also tried but i get the same action

   <%= link_to ''Delete'', teacher, :confirm=>"Are
you
sure?", :method=>:delete %>

The teacher_controller action is:
  # DELETE /teachers/1
  # DELETE /teachers/1.xml
  def destroy
    @teacher = Teacher.find(params[:id])
    @teacher.destroy
    respond_to do |format|
      format.html { redirect_to(teachers_url) }
      format.xml  { head :ok }
    end
  end

In the routes i only use resources :teachers.
Any sollution with that??
Thank u i advance.

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On 4 November 2010 11:23, Kostas L.
<louposk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hello,
> i have a strange problem here. I have made a teacher controller using
> scaffold. All actions work fine but the delete does not. When i click
> the delete link, it redirects me to the edit of this teacher. I have
> restarted the server and i have tried in firefox (i use chrome) but
> problem still remains. Here is the code from my view.
Have a look in the log file (log/development.log) to see what is
logged when you click the link

Colin
>
>   <%= link_to(image_tag("/images/
>
delete_icon.jpg",:size=>"20x20",:border=>"0"),
teacher, :confirm =>
> ''Are you sure?'', :method => :delete)%>
>
> also tried but i get the same action
>
>   <%= link_to ''Delete'', teacher,
:confirm=>"Are you
> sure?", :method=>:delete %>
>
> The teacher_controller action is:
>  # DELETE /teachers/1
>  # DELETE /teachers/1.xml
>  def destroy
>    @teacher = Teacher.find(params[:id])
>    -k4SasWvXw54qAwPp7cWvug@public.gmane.org
>    respond_to do |format|
>      format.html { redirect_to(teachers_url) }
>      format.xml  { head :ok }
>    end
>  end
>
> In the routes i only use resources :teachers.
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Sounds like you don''t have any javascript files in  your Rails app. 
Remember that the destroy method uses javascript to work correctly. If 
javascript is missing, then the browser sends a POST request to your 
Rails server. If you send a post request to an existing record, you get 
the edit action.

Make sure you have your javascript files included in 
confic/application.rb

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Oops.  Correction on the above answer. It should be GET instead of POST. 
If there is no javascript, the delete link sends a get request to your 
server. A get request on an existing record gives you the edit action.

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Hi Colin,
the log file shows the above:

Started GET "/teachers" for 127.0.0.1 at Thu Nov 04 22:16:06 +0200
2010
  Processing by TeachersController#index as HTML
   [1m [36mSQL (40.0ms) [0m   [1m SELECT name
 FROM sqlite_master
 WHERE type = ''table'' AND NOT name =
''sqlite_sequence''
 [0m
   [1m [35mTeacher Load (0.0ms) [0m  SELECT "teachers".* FROM
"teachers"
Rendered shared/_header.html.erb (1.0ms)
Rendered teachers/index.html.erb within layouts/teachers (31.0ms)
Completed 200 OK in 467ms (Views: 59.0ms | ActiveRecord: 40.0ms)


Started GET "/teachers/11" for 127.0.0.1 at Thu Nov 04 22:16:08 +0200
2010
  Processing by TeachersController#show as HTML
  Parameters: {"id"=>"11"}
   [1m [36mTeacher Load (0.0ms) [0m   [1mSELECT "teachers".* FROM
"teachers" WHERE ("teachers"."id" = 11) LIMIT 1
[0m
Rendered shared/_header.html.erb (2.0ms)
Rendered teachers/show.html.erb within layouts/teachers (23.0ms)
Completed 200 OK in 147ms (Views: 61.0ms | ActiveRecord: 0.0ms)


Started GET "/teachers" for 127.0.0.1 at Thu Nov 04 22:16:09 +0200
2010
  Processing by TeachersController#index as HTML
   [1m [35mTeacher Load (1.0ms) [0m  SELECT "teachers".* FROM
"teachers"
Rendered shared/_header.html.erb (2.0ms)
Rendered teachers/index.html.erb within layouts/teachers (29.0ms)
Completed 200 OK in 55ms (Views: 43.0ms | ActiveRecord: 1.0ms)

Do you see anything strange?

Hi Arailsdemo,
do i have to write something in the application.rb file?? I havent
edited this file. The only thing i have inside is:

require File.expand_path(''../boot'', __FILE__)

require ''rails/all''

Bundler.require(:default, Rails.env) if defined?(Bundler)

module Ptixiakes
  class Application < Rails::Application
    config.encoding = "utf-8"
    config.filter_parameters += [:password]
  end
end

Thank u in advance both
Kostas

On Nov 4, 4:41 pm, "Arailsdemo A."
<li...-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org>
wrote:
> Oops.  Correction on the above answer. It should be GET instead of POST.
> If there is no javascript, the delete link sends a get request to your
> server. A get request on an existing record gives you the edit action.
>
> --
> Posted viahttp://www.ruby-forum.com/.
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On 4 November 2010 20:27, Kostas L.
<louposk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hi Colin,
> the log file shows the above:
>
> Started GET "/teachers" for 127.0.0.1 at Thu Nov 04 22:16:06
+0200
> 2010
>  Processing by TeachersController#index as HTML
>   [1m [36mSQL (40.0ms) [0m   [1m SELECT name
>  FROM sqlite_master
>  WHERE type = ''table'' AND NOT name =
''sqlite_sequence''
>  [0m
>   [1m [35mTeacher Load (0.0ms) [0m  SELECT "teachers".* FROM
> "teachers"
> Rendered shared/_header.html.erb (1.0ms)
> Rendered teachers/index.html.erb within layouts/teachers (31.0ms)
> Completed 200 OK in 467ms (Views: 59.0ms | ActiveRecord: 40.0ms)
>
>
> Started GET "/teachers/11" for 127.0.0.1 at Thu Nov 04 22:16:08
+0200
> 2010
>  Processing by TeachersController#show as HTML
>  Parameters: {"id"=>"11"}
>   [1m [36mTeacher Load (0.0ms) [0m   [1mSELECT "teachers".* FROM
> "teachers" WHERE ("teachers"."id" = 11) LIMIT
1 [0m
> Rendered shared/_header.html.erb (2.0ms)
> Rendered teachers/show.html.erb within layouts/teachers (23.0ms)
> Completed 200 OK in 147ms (Views: 61.0ms | ActiveRecord: 0.0ms)
>
>
> Started GET "/teachers" for 127.0.0.1 at Thu Nov 04 22:16:09
+0200
> 2010
>  Processing by TeachersController#index as HTML
>   [1m [35mTeacher Load (1.0ms) [0m  SELECT "teachers".* FROM
> "teachers"
> Rendered shared/_header.html.erb (2.0ms)
> Rendered teachers/index.html.erb within layouts/teachers (29.0ms)
> Completed 200 OK in 55ms (Views: 43.0ms | ActiveRecord: 1.0ms)
>
> Do you see anything strange?
Well there is no POST for the delete apparently.  At what point in the
above did you click the delete link?  If you are not sure then repeat
it and note the times that you do things.  Leave a bit between actions
if necessary.

Have you checked the html for your link to make sure it looks ok
(View
> Page Source or similar in your browser)?
Colin
>
> Hi Arailsdemo,
> do i have to write something in the application.rb file?? I havent
> edited this file. The only thing i have inside is:
>
> require File.expand_path(''../boot'', __FILE__)
>
> require ''rails/all''
>
> Bundler.require(:default, Rails.env) if defined?(Bundler)
>
> module Ptixiakes
>  class Application < Rails::Application
>    config.encoding = "utf-8"
>    config.filter_parameters += [:password]
>  end
> end
>
> Thank u in advance both
> Kostas
>
> On Nov 4, 4:41 pm, "Arailsdemo A."
<li...-fsXkhYbjdPsEEoCn2XhGlw@public.gmane.org> wrote:
>> Oops.  Correction on the above answer. It should be GET instead of
POST.
>> If there is no javascript, the delete link sends a get request to your
>> server. A get request on an existing record gives you the edit action.
>>
>> --
>> Posted viahttp://www.ruby-forum.com/.
>
> --
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>
>
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On Nov 4, 4:23 am, "Kostas L."
<loup...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hello,
> i have a strange problem here. I have made a teacher controller using
> scaffold. All actions work fine but the delete does not. When i click
> the delete link, it redirects me to the edit of this teacher. I have
> restarted the server and i have tried in firefox (i use chrome) but
> problem still remains. Here is the code from my view.
>
I had this same problem when starting a new Rails 3 project with
jQuery. (I generated this project using a template from the Rails
Wizard website.)

If you are using jQuery, make sure you have the correct rails.js file
(the jquery-rails gem will add rake tasks to help manage this).

Also make sure that the jquery.min file is being loaded with the
rails.js file
My layout was using "javascript_include_tag :defaults", but only my
rails.js file was getting loading.

I fixed this by updating the config/application.rb file and modifying
the "config.action_view.javascript_expansions[:defaults]" setting to
add jquery.min.

--
Eric

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On Nov 4, 3:00 pm, "E. Litwin"
<elit...-ur4TIblo6goN+BqQ9rBEUg@public.gmane.org>
wrote:
> If you are using jQuery, make sure you have the correct rails.js file
> (the jquery-rails gem will add rake tasks to help manage this).
As a correction, the jquery-rails gem adds a generator (rails generate
jquery:install), not rake tasks.

--

Eric

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On 4 November 2010 11:23, Kostas L.
<louposk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Hello,
> i have a strange problem here. I have made a teacher controller using
> scaffold. All actions work fine but the delete does not. When i click
> the delete link, it redirects me to the edit of this teacher. I have
> restarted the server and i have tried in firefox (i use chrome) but
> problem still remains. Here is the code from my view.
>
>   <%= link_to(image_tag("/images/
>
delete_icon.jpg",:size=>"20x20",:border=>"0"),
teacher, :confirm =>
> ''Are you sure?'', :method => :delete)%>
Can you confirm whether you see the Are You Sure popup?  If not then,
as others have suggested, there is an issue with the javascript.
Check that you have
 <%= javascript_include_tag :defaults %>
in the layout (application.html.erb unless you have provided your own layout).

Colin

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Hi guys,
the problem was javascript!!! I''ve added this lines in my layout and
it worked:

<%= javascript_include_tag :defaults %>

Thank you for your time!!!!
Greetings
Kostas

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