Mijn dataclass

Gabber gabber = new Gabber();

        public static SqlConnection con = new SqlConnection(@"Data Source=(LocalDB)\MSSQLLocalDB;AttachDbFilename='C:\Users\Decaf\Documents\Fontys Hoogenschool ICT\2e Traject\FUN\inleveren\De app\Hakken_database\hakken_app_database.mdf';Integrated Security=True");
        public static SqlCommand cmd;
        public static SqlDataReader reader;

        public void getGabberInfo()
        {
            con.Close();
            con.Open();
            cmd = new SqlCommand("SELECT * FROM Gabbers", con);
            reader = cmd.ExecuteReader();
            while (reader.Read())
            {
                foreach (Object ob in reader)
                {
                    Console.WriteLine("id = " + reader[0]);
                    Console.WriteLine("Naam = " + reader[1]);
                }
            }
            con.Close();
        }

        //deze functie zorgt er voor dat een gabber word aangemaakt in de database
        public int saveGabber(string _naam)
        {
            Int32 id = 0;
            con.Close();
            con.Open();
            cmd = new SqlCommand("INSERT INTO gabbers([Name], [A.hakken], [T.hakken], [Today]) values(@gabberName, 0, 0, @today) SELECT CAST(scope_identity() AS int)", con);
            cmd.Parameters.AddWithValue("@gabberName", _naam);
            cmd.Parameters.AddWithValue("@today", DateTime.Today);
            id = (Int32)cmd.ExecuteScalar();
            con.Close();
            return id;
        }