partial void UpdateTestEntity(TestEntity instance);
 partial void DeleteTestEntity(TestEntity instance);
 partial void InsertTestEntity(TestEntity instance);
 partial void DeleteTestEntity(TestEntity instance);
 partial void UpdateTestEntity(TestEntity instance);
 partial void InsertTestEntity(TestEntity instance);
        public void Delete(int id)
        {
            var e = new TestEntity { Id = id };

            _context.TestEntities.Attach(e, false);
            _context.TestEntities.DeleteOnSubmit(e);
        }