ค่าที่ต้องการไม่ยอมบันทึกลงฐานข้อมูลค่ะ เป็นค่าว่างค่ะ

<?php
ini_set('register_globals','On');
ini_set('session.bug_compat_warn', 0);
ini_set('session.bug_compat_42', 0);
session_start();
header("Content-type: text/html; charset=utf-8");
include "startconnect.inc.php";
date_default_timezone_set('Asia/Bangkok');
$email = $_POST['txtEmail'];
$passregis = $_POST['txtPassRegis'];
$firstname = $_POST['txtFirstname'];
$lastname = $_POST['txtLastname'];
$nickname = $_POST["txtnickname"];
$gender = $_POST["txtgender"];
$member_pic = $_POST['txtmember'];
$user_date =(int) $_POST['txtDate'];
$user_month =(int) $_POST['txtMonth'];
$user_year =(int) $_POST['txtYear'];
$jobtitle = $_POST['txtjobtitle'];
$mobile = $_POST['txtmobile'];
$telephone = $_POST['txttelephone'];
$anumber = $_POST['txtanumber'];
$asoi = $_POST['txtasoi'];
$aroad = $_POST['txtaroad'];
$atumbon = $_POST['selTumbon'];
$aumper = $_POST['selAmphur'];
$aprovince = $_POST['selProvince'];
$azipcode =(int) $_POST['txtazipcode'];




//edit number to text
function dbtext($tb,$ftext,$fid,$val){
	$val = mysql_real_escape_string($val);
	$rs = mysql_query('select * from '.$tb.' where '.$fid."='$val'");
	echo mysql_error();
	if (mysql_num_rows($rs)){
		$r = mysql_fetch_assoc($rs);
		return $r[$ftext];
	}else{
		return '';	
	}
}
$atumbon = dbtext('district','DISTRICT_NAME','DISTRICT_ID',$atumbon);
$aumper = dbtext('amphur','AMPHUR_NAME','AMPHUR_ID',$aumper);
$aprovince = dbtext('province','PROVINCE_NAME','PROVINCE_ID',$aprovince);


$member_class_id = 2 ;
$register_date = date("Y-m-d") ;
$register_time = date("G:i:s") ;
$ip_address = $_SERVER['REMOTE_ADDR'] ;
$active = 0 ;



$sql_register  = "
insert into tblmember (
email,
password ,
firstname ,
lastname ,
nickname ,
gender,
member_pic,
user_date ,
user_month ,
user_year ,
jobtitle,
mobile,
telephone , 
anumber,
asoi ,
aroad,
atumbon,
aumper,
aprovince,
azipcode  ,
member_class_id ,
register_date ,
register_time ,
ip_address ,
active
) 
values (
	'$email',
'$passregis',
'$firstname',
'$lastname' ,
'$nickname', 
'$gender' ,
'$user_date' ,
'$user_month' ,
'$user_year' ,
'$jobtitle',
'$mobile' ,
'$telephone', 
'$anumber',
'$asoi',
'$aroad',
'$atumbon',
'$aumper',
'$aprovince',
'$azipcode' ,
'$member_class_id',
'$register_date',
'$register_time',
'$ip_address',
'$active')" ;
//echo $sql_register ;

if ($complete_upload == "yes") { 
    $result_register = mysql_query($sql_register) or die(mysql_error());
	die($sql_register);
}
if($result_register) {
$_SESSION['email'] = NULL;
$_SESSION['passregis'] = NULL;



$email = $_POST['txtEmail'];

header("Location:activate.php?email=$email&active=0");
} else {
die($sql_register);
}
print (mysql_error());
mysql_close($connect);
?>