Data.TestersDBManager.Update C# (CSharp) Method

        public static void Update(Tester tester)
        {
            DataClassesBugTrackingSystemDataContext db = new DataClassesBugTrackingSystemDataContext();

            Tester testerToUpdate = db.Testers.Single(t => t.TesterId == tester.TesterId);

            testerToUpdate.Password = tester.Password;
            testerToUpdate.Name = tester.Name;
            testerToUpdate.Surname = tester.Surname;
            testerToUpdate.Phone = tester.Phone;
            testerToUpdate.Email = tester.Email;
            testerToUpdate.LastAction = tester.LastAction;
            db.SubmitChanges();
        }