C#2

        private void Main2()
        {
            {
                string cs = @"server=localhost;userid=root;
            password=flex01;database=gen1";

                for (int i = 0; i < 5; i++)
                {
                    using (var conn = new MySqlConnection(cs))
                    using (var cmd = conn.CreateCommand())
                    {
                        conn.Open();
                        cmd.CommandText = "INSERT INTO actualvalues (a) VALUES (?)";
                        cmd.Parameters["A"].Value = tbComplexStruct_Datavalues;

                        cmd.ExecuteNonQuery();

                    }
                }
            }
        }