//見積データの追加 public void Create(string customer, string helper, string staff, string[] products_Id) { using (DefaultConnection db = new DefaultConnection()) { int[] customer_Ids = BusinessPartnerData.NameToId(db, customer); int[] helper_Ids = HelperData.NameToId(db, helper); int customer_Id = customer_Ids[0]; int helper_Id = helper_Ids[0]; int product_Id = 0; int staff_Id = StaffData.EmailToId(db, staff); foreach (var item in products_Id) { product_Id = int.Parse(item); Quotation quotation = new Quotation(customer_Id, helper_Id, product_Id, staff_Id); db.Quotations.Add(quotation); db.SaveChanges(); } } }