public void UpdateChild()
        {
            var repository = new CustomerRepositoryHelper();
            var childData  = new ChildData
            {
                Id        = 1,
                LicenseId = "12345",
                Name      = "Sergei1",
                Avatar    = "oak1",
                Obs       = "1",
                Category  = "category1"
            };

            Console.WriteLine(repository.UpdateChild(childData));
        }