“No route matches [POST]” when changing link_to to button_to

Question

I have this piece of code:

<%= link_to \"New User\", new_user_path, :class => \"button\"  %>

which works fine, but when I

Answer 1

button_to defaults to POST, and link_to defaults to GET, this is why links_to worked. You can force button_to to use GET:

<%= button_to "New User", new_user_path, :class => "button", :method => :get %>

You can get more information about button_to options here: http://api.rubyonrails.org/classes/ActionView/Helpers/UrlHelper.html#method-i-button_to