public void TestMethod1() { AddressBook.DataLayer data = new AddressBook.DataLayer(); data.InsertPerson("michal", "Imlauf", 12, 13); data.InsertAddres("A", "B", 53701, 29); // data.UpdateAddress(22,"C","E",000); //data.UpdatePerson(28,"A","C",17,18); BindingList <Person> persons = new BindingList <Person>(); persons = data.SelectAllPersons(persons); persons[0] = data.SelectAdresses(persons[0]); // data.DeleteAdress(1); // data.DeletePerson(1); }