private static void InsertNewCustomersToDb()
        {
            var newCustomer = new Customer
            {
                CustomerID = "AAAAA",
                CompanyName = "Lethal Corporation",
                ContactName = "Alfonso Salvarez",
                ContactTitle = "CEO",
                Address = "33 Pedro Almodovar Sq.",
                City = "Ciudad Real",
                PostalCode = "11223",
                Country = "Spain",
                Phone = "030-0023002",
                Fax = "030-0023003"
            };

            db.Customers.Add(newCustomer);
            affectedRows = db.SaveChanges();
            Console.WriteLine("({0} row(s) affected)", affectedRows);
        }
        private static string InsertNewCustomer()
        {
            using (var db = new NorthwindEntities())
            {
                var newCustomer = new Customer()
                {
                    CustomerID = "ABC",
                    CompanyName = "Telerik",
                    ContactName = "John Doe",
                    ContactTitle = "Owner",
                    Address = "Al. Malinov Str. 31",
                    City = "Sofia",
                    PostalCode = "1784",
                    Country = "Bulgaria",
                    Phone = "(359) 888888888"
                };

                db.Customers.Add(newCustomer);
                db.SaveChanges();
                return newCustomer.CustomerID;
            }
        }