public ActionResult <Invoice> Get(int Id) { InvoiceEntity invoiceEntity = InvoiceDao.FindBy(Id); Invoice invoice = new Invoice(); invoice.Items = invoiceEntity.Items.Select(item => new Item { Id = item.Id, Description = item.Description, Price = item.Price.ToString(), Qtd = item.Qtd });; invoice.Id = invoiceEntity.InvoiceInfo.Id; invoice.TotalInvoice = invoiceEntity.Sumamry.TotalInvoice.ToString(); invoice.TotatlItems = invoiceEntity.Sumamry.TotalItems; return(invoice); }