anchor.diff:        <input type="text" class="selectpicker form-control" disabled="true" value="<%= @rental.basic_info %>"/>
       </div>
       <div>
  -      <%= f.text_field :rental_id, class: "hidden selectpicker form-control", value: params[:rental_id] || @incurred_incidental.rental.id, visibility: 'hidden' %>
  +      <%= f.hidden_field :rental_id, class: "selectpicker form-control", value: params[:rental_id] || @incurred_incidental.rental.id %>
       </div>
     </div>
   
  
positive.code:     </div>
    </div>
  <% end %>
  
  <style>
  div.hidden {
      display: none;
  }
  </style>
  
negative.code:     <%= f.label :incidental_type_id, 'Incidental Type', class: 'control-label col-xs-2' %>
      <div class="col-xs-6">
        <%= f.select :incidental_type_id, options_from_collection_for_select(@incidental_types, 'id', 'name', params[:incidental_type_id] || @incurred_incidental.incidental_type.try(:id)), {}, class: "selectpicker form-control" %>
      </div>
    </div>
  
  