Form werkt niet volledig

               <form action="#" method="post" name="example">
	<p>
            <label 
                for="tocht" 
                class="field <?php if(!empty($_SESSION['errors']['tocht'])) echo 'error'; ?>"
            >Tocht:</label>
<select id="tocht" name="tocht">			
<?php
$sql = "SELECT  TOCHT  FROM `hippotrail` ";
if(!$result = $mysqli->query($sql))
{
trigger_error('Fout in query: '.$mysqli->error);
}
if ($result->num_rows) 
while($row = $result->fetch_assoc())
{
?>
	<option value=" <?php echo $row['TOCHT']?> "> <?php echo $row['TOCHT'];
    }
    ?>
</select>
        </p>
        <p>
            <label 
                for="voor" 
                class="field <?php if(!empty($_SESSION['errors']['naam'])) echo 'error'; ?>"
            >Voornaam + Achternaam:</label>
            <input type="text" 
                id="voor" 
                name="naam" 
                value="<?php echo isset($_SESSION['input']['naam']) ? $_SESSION['input']['naam'] : ''; ?>"
            /> *
        </p>
        <p>
          <input name="submit" type="submit" class="lijnuit" value="Verzenden" />
        </p> 
        </form>