credo che sia cosi prova:

while ($riga=mysql_fetch_array($dbResult )){
echo "<tr>";
echo "<td>" . $riga['nome'] . "</td>";
echo "<td>" . $riga['cognome'] . "</td>";
echo "<td>" . $riga['codfisc'] . "</td>";
echo "<td>" . $riga['indirizzo'] . "</td>";
echo "<td>" . $riga['numciv'] . "</td>";
echo "<td>" . $riga['comune'] . "</td>";
echo "<td>" . $riga['cap'] . "</td>";
echo "<td>" . $riga['nick'] . "</td>";
echo "<td>" . $riga['parolachiave'] . "</td>";
echo "<td>" . $riga['domsic'] . "</td>";
echo "<td>" . $riga['risposta'] . "</td>";
echo "<td>" . $riga['txtemail'] . "</td>";
echo "<td>" . $riga['regione'] . "</td>";
echo "<td>" . $riga['provincia'] . "</td>";
echo "</tr>";
}