ระบบทำงานบน localhost ได้ แต่ใช้งานไม่ได้เมื่ออัพขึ้น server

<?php
  if ($action=='savenew'){ 
  $member_name =$_POST[$txtmember_name] ;
  $member_lastname=$_POST[$txtmember_lastname] ;
  $member_sex = $_POST[$radiosex];       
  $member_brithday  = $_POST[ThaiDateTcomSql($txtmember_brithday)];
  $member_address = $_POST[$txtmember_address]  ;        
  $member_aumphur = $_POST[$txtmember_aumphur];
  $member_province = $_POST[$txtmember_province];
  $member_zipcode = $_POST[$txtmember_zipcode];
  $member_tel  = $_POST[$txtmember_tel];
  $member_mobile  = $_POST[$txtmember_mobile];
  $member_fax = $_POST[$txtmember_fax];
  $member_email = $_POST[$txtmember_email];
  $member_user = $_POST[$txtmember_user];
  $member_pwd  = $_POST[$txtmember_pwd];
?>

<?php
   if ($action=='savenew'){ 

        
  $member_name =$_POST[$txtmember_name] ;
  $member_lastname=$_POST[$txtmember_lastname] ;
  $member_sex = $_POST[$radiosex];       
  $member_brithday  = $_POST[ThaiDateTcomSql($txtmember_brithday)];
  $member_address = $_POST[$txtmember_address]  ;        
  $member_aumphur = $_POST[$txtmember_aumphur];
  $member_province = $_POST[$txtmember_province];
  $member_zipcode = $_POST[$txtmember_zipcode];
  $member_tel  = $_POST[$txtmember_tel];
  $member_mobile  = $_POST[$txtmember_mobile];
  $member_fax = $_POST[$txtmember_fax];
  $member_email = $_POST[$txtmember_email];
  $member_user = $_POST[$txtmember_user];
  $member_pwd  = $_POST[$txtmember_pwd];

$sqlmem="select * from members   where member_user='$member_user' ";
//echo  $sqlmem ;
$resulmem=mysql_query($sqlmem);
while($rowmem=mysql_fetch_array($resulmem)){
		$temp =  $rowmem[member_user];
}
//echo  $temp ;
		$sql="insert into members ";   
		$sql= $sql." (member_name,  member_lastname ,member_sex,member_brithday ," ;
		$sql= $sql." member_address,member_aumphur,member_province,member_zipcode,";
		$sql= $sql." member_tel , member_mobile , member_fax , member_email , member_user , member_pwd ) ";
		$sql= $sql." values('$member_name',  '$member_lastname' ,'$member_sex',$member_brithday ," ;                             l." '$member_address','$member_aumphur','$member_province','$member_zipcode',";
		$sql= $sql." '$member_tel' , '$member_mobile' , '$member_fax' , '$member_email' , '$member_user' , '$member_pwd' ) ";
			
//echo $sql ;
   }
   
      if ($action=='edit'){ 
	$temp = "";
   $member_idedit = $txtmember_id ;
  $member_name =$txtmember_name ;
  $member_lastname=$txtmember_lastname   ;
  $member_sex = $radiosex;       
  $member_brithday  = ThaiDateTcomSql($txtmember_brithday);
  $member_address = $txtmember_address  ;        
  $member_aumphur = $txtmember_aumphur;
  $member_province = $txtmember_province;
  $member_zipcode = $txtmember_zipcode;
  $member_tel  = $txtmember_tel;
  $member_mobile  = $txtmember_mobile;
  $member_fax = $txtmember_fax;
  $member_email = $txtmember_email;
  $member_user = $txtmember_user;
  $member_pwd  = $txtmember_pwd;
			
			$sql="update members ";   
			$sql= $sql."Set  member_name ='$member_name' ,  ";
			$sql= $sql."member_lastname= '$member_lastname' ,";
			$sql= $sql."member_sex = '$member_sex' ,";
			$sql= $sql."member_brithday = $member_brithday ," ;
			$sql= $sql." member_address = '$member_address' ,";
			$sql= $sql."member_aumphur ='$member_aumphur',";
			$sql= $sql."member_province = '$member_province',";
			$sql= $sql."member_zipcode = '$member_zipcode',";
			$sql= $sql." member_tel= '$member_tel',";
			$sql= $sql." member_mobile='$member_mobile' ,";
			$sql= $sql." member_fax='$member_fax'  , ";
			$sql= $sql."member_email='$member_email'  ,";
			$sql= $sql." member_pwd='$member_pwd'  ";
			$sql= $sql." Where member_id= $member_idedit " ;

			

   }
   //echo $sql ;
if ($temp =="") {
		$result=mysql_query($sql);
}


if($result){
$mem_id=mysql_insert_id();
session_register("mem_id");
//echo $mem_id ;
?>
              <table width="100%" height="100" border="0" align="center" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF">
                <tr>
                  <td  align="center">บันทึกข้อมูลสมาชิกเรียบร้อยแล้ว <br>
                    กรุณารอสักครู่   Loding....</td>
                </tr>
              </table>
              <?
}
else
{
?>
              <table width="100%" height="100" border="0" align="center" cellpadding="0" cellspacing="0" bgcolor="#FFFFFF">
                <tr>
                  <td align="center">ไม่สามารถบันทึกข้อมูลการสมัครสมาชิกได้   <br>
	  <? if ($temp !="") { echo "เนื่องจากมีชื่อผู้ใช้งานในระบบอยู่แล้ว" ;}?><br>กรุณารอสักครู่   Loding....</td>
                </tr>
              </table>
              <?
}
mysql_close();


?>

<?php
$action = $_POST["action"] ; 
$member_name =$_POST["txtmember_name"] ; 
$member_lastname=$_POST["txtmember_lastname"] ; 
$member_sex = $_POST["radiosex"];        
$member_brithday  = $_POST[ThaiDateTcomSql("txtmember_brithday")]; 
$member_address = $_POST["txtmember_address"]  ;         
$member_aumphur = $_POST["txtmember_aumphur"]; 
$member_province = $_POST["txtmember_province"]; 
$member_zipcode = $_POST["txtmember_zipcode"]; 
$member_tel  = $_POST["txtmember_tel"]; 
$member_mobile  = $_POST["txtmember_mobile"]; 
$member_fax = $_POST["txtmember_fax"]; 
$member_email = $_POST["txtmember_email"]; 
$member_user = $_POST["txtmember_user"]; 
$member_pwd  = $_POST["txtmember_pwd"];

     if ($action=='savenew'){ 
         .
         .
          .
     }
?>