I\'m having a trouble with rails3 to render Javascript (If this is relevant, I use JQuery and it works fine since it\'s used in numerous other parts of the application) inst
Seems a little late to be providing this answer, but better late that never.
You are mixing up respond_to and respond_with. At the top of your controller class use respond_to :js, :html. Then put this in your edit action
def edit
@user_repreneur = UserRepreneur.find_by_id_view(params[:id])
respond_with @user _repreneur
end