Why this is storing nothing on my table?
For me seems to be ok.
<?php
session_start();
if (session_is_registered('usuario')){
}
$Sesion = session_id;
$conexion=mysql_connect('', '', '');
mysql_select_db("",$conexion);
$sql = "INSERT INTO Reservas ( Ref, ene1t, ene2t, ene3t, ene4t, ene5t, feb1t, feb2t, feb3t, feb4t, feb5t, mar1t, mar2t, mar3t, mar4t, mar5t, abr1t, abr2t, abr3t, abr4t, abr5t, may1t, may2t, may3t, may4t, may5t, jun1t, jun2t, jun3t, jun4t, jun5t, jul1t, jul2t, jul3t, jul4t, jul5t, ago1t, ago2t, ago3t, ago4t, ago5t, sep1t, sep2t, sep3t, sep4t, sep5t, oct1t, oct2t, oct3t, oct4t, oct5t, nov1t, nov2t, nov3t, nov4t, nov5t, dic1t, dic2t, dic3t, dic4t, dic5, Sesion)".
"VALUES ('$Ref', '$ene1t', '$ene2t', '$ene3t', '$ene4t', '$ene5t', '$feb1t', '$feb2t', '$feb3t', '$feb4t', '$feb5t', '$mar1t', '$mar2t', '$mar3t', '$mar4t', '$mar5t', '$abr1t', '$abr2t', '$abr3t', '$abr4t', '$abr5t', '$may1t', '$may2t', '$may3t', '$may4t', '$may5t', '$jun1t', '$jun2t', '$jun3t', '$jun4t', '$jun5t', '$jul1t', '$jul2t', '$jul3t', '$jul4t', '$jul5t', '$ago1t', '$ago2t', '$ago3t', '$ago4t', '$ago5t', '$sep1t', '$sep2t', '$sep3t', '$sep4t', '$sep5t', '$oct1t', '$oct2t', '$oct3t', '$oct4t', '$oct5t', '$nov1t', '$nov2t', '$nov3t', '$nov4t', '$nov5t', '$dic1t', '$dic2t', '$dic3t', '$dic4t', '$dic5t', '$Sesion')";
$result = mysql_query($sql) or die(mysql_error().'<p>'.$sql.'</p>');
$result2 = mysql_query("SELECT * FROM Reservas WHERE (Sesion='$Sesion')", $conexion);
while($row = mysql_fetch_array($result2)) {
?>