diff options
| -rw-r--r-- | railties/doc/guides/actioncontroller/session.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/railties/doc/guides/actioncontroller/session.txt b/railties/doc/guides/actioncontroller/session.txt index 0a44bfd802..467cffbf85 100644 --- a/railties/doc/guides/actioncontroller/session.txt +++ b/railties/doc/guides/actioncontroller/session.txt @@ -162,3 +162,24 @@ class MainController < ApplicationController end ------------------------------------------ + +==== flash.now ==== + +By default, adding values to the flash will make them available to the next request, but sometimes you may want to access those values in the same request. For example, if the `create` action fails to save a resource and you render the `new` template directly, that's not going to result in a new request, but you may still want to display a message using the flash. To do this, you can use `flash.now` in the same way you use the normal `flash`: + +[source, ruby] +------------------------------------------ +class ClientsController < ApplicationController + + def create + @client = Client.new(params[:client]) + if @client.save + # ... + else + flash.now[:error] = "Could not save client" + render :action => "new" + end + end + +end +------------------------------------------ |