Hi, I use scaffold to create the task model controller and view, it contains action as "show", "new", "create", etc. Then, I give an "id" parameters to the view - new.rhtml, so the URL could be like "http://localhost:3000/tasks/new/1" , and I wish when I click the create button in "new.rhtml", the following "create" action could get this id parameter, so I coded like this: