static void Main(string[] args) { MyConnection connection = new MyConnection(); string filePath = @"D:\Klanten\MyTest"; DataSerializer dataSerializer = new DataSerializer(); List <Person> Persons = null; Persons = dataSerializer.XmlDeserialize(typeof(List <Person>), filePath) as List <Person>; foreach (Person person in Persons) { person.DateInsertSql = DateTime.Now; Console.WriteLine(connection.Insert(person.FirstName, person.LastName, person.Status.ToString(), person.DateInsertSql.ToString())); //Console.WriteLine(person.FirstName); //Console.WriteLine(person.LastName); //Console.WriteLine(person.Status); } }