How to add default value to a text field in rails? -


i've created form

<%= form_for [current_user,@product,@bid] |f| %>   <p><%= f.number_field :bid_amount %></p>   <p><%= f.number_field :product_id %>   <p><%= f.submit 'bid!' %></p> <% end %>

in :product_id field want add @product.id default, how implement this? please. in advance. :)

 <p><%= f.number_field :product_id, :value => @product.id %></p>

more details on: numberfield


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