Ruby Rails接受\u嵌套的\u属性不起作用_Ruby_Ruby On Rails 3_Activerecord

Ruby Rails接受\u嵌套的\u属性不起作用

ruby ruby-on-rails-3 activerecord

Ruby Rails接受\u嵌套的\u属性不起作用,ruby,ruby-on-rails-3,activerecord,Ruby,Ruby On Rails 3,Activerecord,我已将以下表格的相关部分包括在内： ActiveRecord::RecordNotFound in InvoicesController#create Couldn't find LineItem with ID=21 for Invoice with ID= show InvoicesController#createAndInvoicesController#new。在new视图中添加您的表单。@fl00r、@AndrewMarshall InvoiceController#creat

我已将以下表格的相关部分包括在内：

ActiveRecord::RecordNotFound in InvoicesController#create

Couldn't find LineItem with ID=21 for Invoice with ID=

show InvoicesController#createAnd

InvoicesController#new

。在

new

视图中添加您的表单。@fl00r、@AndrewMarshall InvoiceController#create、InvoiceController#new和新视图中添加了有关

预填充

的内容？问题是，您正在将exist line_items设置为non exist invoiceFound my answer，因为您必须在create操作中更新_属性之前进行关联。ActiveRecord关联API文档（）

ActiveRecord::RecordNotFound in InvoicesController#create

Couldn't find LineItem with ID=21 for Invoice with ID=

<% f.fields_for :line_items do |li| %>
  <%= li.text_field :description %>
  <%= li.text_field :amount %>
<% end %>