ruby - Rails: belongs_to association through a form not populating -

i'm working on controller class, project. has belongs_to relationship client.

i'm not sure why happening, when create new project through form, has name assigned it, no fee , no client_id.

here's relevant code:

project controller

class projectscontroller < applicationcontroller    def index   end    def show   end    def new     @project = project.new    end    def edit   end    def create     @project = project.new(project_params)     if @project.save       redirect_to projects_url     else       render 'new'     end   end    def update   end    def destroy   end    private     def project_params     params.require(:project).permit(:name, :feee, :client_id)   end end 

projects/new view

<div id="newproject-form">     <h1>create project</h1>     <%= form_for @project |p| %>         <div id="newproject-form-input">             <ul>                 <li><%= p.label :name, "project name: " %><br>                 <%= p.text_field :name, size: 40 %></li>                  <li><%= p.label :fee, "fee: " %><br>                 <%= p.text_field :fee %></li>                  <li><%= p.label :client, "client name: " %><br>                 <%= collection_select(:client_id, :name, current_user.clients, :id, :name) %></li>                  <li><%= p.submit "create project", class: "form-button" %>, or <%= link_to "cancel",                  root_path %></li>             </ul>         </div>     <% end %> </div> 

project model

class project < activerecord::base   belongs_to :client  end 

you have call collection_select on form builder:

# change <%= collection_select(:client_id, :name, current_user.clients, :id, :name) %> # <%= p.collection_select(:client_id, current_user.clients, :id, :name) %> 

by using formbuilder p telling collection_select editing project object (see p.object return object of form builder).

---

if @ collection_select documentation (http://apidock.com/rails/actionview/helpers/formoptionshelper/collection_select):

collection_select(object, method, collection, value_method, text_method, options = {}, html_options = {})

if call collection_select own (not form builder, provided form_for method), have give first argument object's name. in case, have been collection_select(:project, :client_id, #etc.) generate params params[:project][:client_id].