public string[] createSerialDataBase(CreateStaffUpgradeSeries StaffUpgradeData) { StaffDataBase sDB = new StaffDataBase(); sDB.personnelFunction(); if (int.Parse(sDB._StaffhaveRoles[2]) == 1) { return sDB.createSerialDataBase(StaffUpgradeData); } else { return new string[2] { _noRole, _errorMsg }; } }