public static void SaveData(string nameofXml) { //string nameofXml = nameof(elem); switch (nameofXml) { case "Contracts": Contracts.Save(ContractXml); break; case "Nannys": Nannys.Save(NannyXml); break; case "Mothers": Mothers.Save(MotherXml); break; case "Children": Children.Save(ChildXml); break; case "BankAccounts": BankAccounts.Save(BankAccountXml); break; case "Addresses": Addresses.Save(AddressXml); break; } }