mi tabla char set es utf8 y su compilación es utf8.now tengo este código:

<code>   $mysqli = new mysqli("localhost", "root", "", "Amoozeshgah");

            if (mysqli_connect_errno()) {
                  printf("Connect failed: %s\n", mysqli_connect_error());

            }
          if (!$mysqli->set_charset("utf8")) {
    printf("Error loading character set utf8: %s\n", $mysqli->error);
} else {
    printf("Current character set: %s\n", $mysqli->character_set_name());
}
        mysql_set_charset('utf8');
            if ($stmt = $mysqli->prepare("SELECT About_Title FROM Tbl_About WHERE About_Id=?")) {
                $city = 8;

               /* bind parameters for markers */
                $stmt->bind_param("s", $city);

              /* execute query */
                $stmt->execute();

               /* bind result variables */

                  $result = $stmt->get_result();

             /* fetch value */
            while ($myrow = $result->fetch_assoc()) {

        // use your $myrow array as you would with any other fetch
        printf("%s is in district %s\n", $city, $myrow['About_Title']);
        print("shod");

    }
</code>

pero fuera de lugar es:

<code>Current character set: utf8 8 is in district نتمنتشس shod
</code>

¿que puedo hacer? Edición: he sustituido:

<code>if (!$mysqli->set_charset("utf8")) {
        printf("Error loading character set utf8: %s\n", $mysqli->error);
    } else {
        printf("Current character set: %s\n", $mysqli->character_set_name());
    }
            mysql_set_charset('utf8');
</code>

con

<code>$mysqli->set_charset("utf8")
</code>

Pero no hay diferencia.