param is missing or the value is empty:

Question

I need to include a select list in my get request to the new_item_path The problem I'm having is it doesn't send the intended resource object, in this case:item back to the controller so item_params doesn't have item prepended to it

param is missing or the value is empty: item

<%= form_tag new_item_path(@item), :method => :get do %>

      <div class="field">
            <%= select_tag(:item_type, options_for_select(Item::ITEM_TYPES)) %>
      </div>

      <div class="actions">
        <%= submit_tag "New item" %>
      </div>

<% end %>

Answer 1

Change your code in select_tag to <%= select_tag("item[item_type]", options_for_select(Item::ITEM_TYPES)) %>