Código PHP:
<?
//si hay resultados crea tabla
if ($row = mysql_fetch_array($result)){
echo "<table border = '1'> \n";
//Mostramos los nombres de las tablas
echo "<br>";
mysql_field_seek($result,0);
echo "<tr> \n";
echo "<td style='font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 11px;color: #000000; font-weight: bold;' <b>Dni</b></td> \n";
echo "<td style='font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 11px;color: #000000; font-weight: bold;' <b>Nombre</b></td> \n";
echo "<td style='font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 11px;color: #000000; font-weight: bold;' <b>Ver</b></td> \n";
echo "<td style='font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 11px;color: #000000; font-weight: bold;' <b>Modificar</b></td> \n";
echo "<td style='font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 11px;color: #000000; font-weight: bold;' <b>Eliminar</b></td> \n";
echo " </tr> \n";
echo "</tr> \n";
do {
echo "<tr> \n"; //para ver el cliente entero
?><form name="form1" method="post" action="datos_clientes.php">
<?
echo "<td>"?>
<textarea cols="22" rows="1" name="dni" readonly style="overflow:auto; border-width: 2px; font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 11px;color: #000000; text-align:center;"><?php echo $row["dni"];?></textarea>
</TD>
<? "</td> \n";
echo "<td>"?>
<textarea cols="63" rows="1" name="nombre" readonly style="overflow:auto; border-width: 2px; font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 11px;color: #000000; text-align:center;"><?php echo $row["nombre"];?>,<?php echo $row["apellido1"];?>,<?php echo $row["apellido2"];?></textarea>
<? "</td> \n";
?>
<?
echo "<td>"?>
<input type="submit" name="Submit" value="Ver detalles" style="font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 11px;color: #000000; text-align:center;"></TD>
</form>
<? echo "<td>"?>
<form name="form" method="post" action="modificar.php">
<input name="dni" type="hidden" value="<? echo $row["dni"]; ?>">
<input type="submit" name="Submit2" value="Modificar" style="font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 11px;color: #000000; text-align:center;"></TD>
</form>
<? echo "<td>"?>
<form name="form" method="post" action="confirmacion_baja.php">
<input name="dni" type="hidden" value="<? echo $row["dni"]; ?>">
<input type="submit" name="Submit2" value="Eliminar" style="font-family: Verdana, Arial, Helvetica, sans-serif;font-size: 11px;color: #000000; text-align:center;"></TD>
</form>
<?
"</td> \n"; ?>
<?
echo "</tr> \n";
} while ($row = mysql_fetch_array($result));
}