在viewpost.php遇到错误，任何人都可以帮助我

<?php
    $reload = $_SERVER['PHP_SELF'] . "?tpages=" . $tpages;
    echo '<div class="pagination"><ul>';
    if ($total_pages > 1) {
        echo paginate($reload, $show_page, $total_pages);
    }
    echo "</ul></div>";
    // display data in table

    echo "<table class='imagetable'>";
    echo "<thead><tr><th>Title</th> <th>Last Date</th><th>View Details</th></tr></thead>";
    // loop through results of database query, displaying them in the table 
    for ($i = $start; $i < $end; $i++) {
        // make sure that PHP doesn't try to show results that don't exist
        if ($i == $total_results) {
            break;
        }

        // echo out the contents of each row into a table
        echo '<td>' . mysql_result($result, $i, 'title') . '</td>';
        echo '<td>' . mysql_result($result, $i, 'date') . '</td>';
      echo '<td><a href="' . mysql_result($result, $i, "viewpost.php"?id=<?php echo '$row[0]'?>) . '"></td>';
        echo "</tr>";
    }       
    // close table>
echo "</table>";
// pagination
?>

在viewpost.php遇到错误，任何人都可以帮助我。