public static void T_Select_ExecuteScalar() { int n = 100; long total; long avg; var connStr = GetMySqlConnString(); var conn = new MySqlConnection(connStr); conn.Open(); Test(n, TimeUnit.Ticks, out total, out avg, () => { var cmd = new MySqlCommand("select sysdate()", conn); object result = cmd.ExecuteScalar(); }); Report.WriteLine("avg:" + avg); conn.Close(); }