On Wednesday, May 21, 2014 7:42:39 AM UTC-4, Ruby-Forum.com User wrote:
>
> Hi everybody, in my view (operation_en_cours) I display the content of a
> variable (myvariable) and I have a button linked to a method ( for
> exemple change)defined in my controller in which I change the content of
> my varible like this:
> @myvariable="hello"
> def change
> @myvariable="test"
> respond_to do |format|
> format.html { redirect_to pages_operation_en_cours_url }
> format.json { head :no_content }
> end
>
> But when I click on the button my fonction is called y saw it in the url
> (http://192.168.152.196:3000/pages/change) but then in the view I always
> have "hello". I think the is not refresh but I don't no how can I do?
>
> Indeed if I define myvarible like this @myvariable=Article.all and then
> def change
> @myvariable[0].name="test"
> @myvariable[0].save
> respond_to do |format|
> format.html { redirect_to pages_operation_en_cours_url }
> format.json { head :no_content }
> end
>
> and in my view @myvarible[0].name then when I call the method the view
> is refresh and the name is change.
>
> How can I do the "equivalent" of save for my variable?
>
> Fab
>
> --
> Posted via http://www.ruby-forum.com/.
>
The problem is the redirect. When you do a redirect, Rails actually
responds with a code 301 to the browser and redirects the browser to the
new url. When Rails receives the redirected request, it's treated as a
completely new request, so no instance variables will persist.
The only way to do what you want is to use a render instead of a redirect.
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