ใน localhost แบ่ง หน้าได้ ทำไมขึ้น serve จริงแบ่งหน้าไม่ได้ครับเขียน php ครับ

<?php
include("ConnectDB.php");
$connect = new ConnectDB();
$connect->connect();
$connect->set_char_utf8();
$sql="select host.*,zone.zone_name,province.province_name from host,province,zone where province.zone_id= zone.zone_id and province.province_id=host.province_id order by host_id asc";
$result = mysql_query($sql);
$Per_Page = 10;
		if(!$Page)
		$Page=1;
		$Prev_Page = $Page-1;
		$Next_page = $Page+1;
	    $result = $connect->C_Select($sql);
		$result=mysql_query($sql);
		$Page_start=($Per_Page*$Page)-$Per_Page;
		$Num_Rows=mysql_num_rows($result);?>
        <? if($Num_Rows<=$Per_Page)
			$Num_Pages=1;
		else if(($Num_Rows%$Per_Page)==0)
			$Num_Pages=($Num_Rows/$Per_Page);
		else
			$Num_Pages=($Num_Rows/$Per_Page)+1;
	
		$Num_Pages=(int)$Num_Pages;
		if(($Page>$Num_Pages)||($Page<0))
		print"จำนวน $Page มากกว่า $Num_Pages";
		$num = 1;
		$sql .= " LIMIT $Page_start,$Per_Page";
		$result = mysql_query($sql); 
		$num1 = mysql_num_rows($result);
 		if($num1 == 0){
 			echo "<center>ไม่พบรายการเจ้าของบ้าน</center>";
 		}
  else     
 ?>
                            <br>
 <center><table  width="90%" align = "center" border='0' bgcolor='#ffffff'cellpadding="0" cellspacing="0">
	<tr><th bgcolor="#FF0000"> <span class="style9 style10">ลำดับที่</span></th>
	<th align = "left"bgcolor="#FF0000"><span class="style9 style10">No. แบบสอบถาม</span></th>
	<th align = "left"bgcolor="#FF0000"><span class="style9 style10">ชื่อ - นามสกุล</span></th>
	<th align = "left"bgcolor="#FF0000"><span class="style9 style10">เบอร์มือถือ</span></th>
	<th align = "left"bgcolor="#FF0000"> <span class="style9 style10">ภาค</span></th>
	<th align = "left"bgcolor="#FF0000"> <span class="style9 style10">จังหวัด</span></th>
	<th align = "center" bgcolor="#FF0000"><span class="style9 style10">แก้ไข</span></th>
	<th align = "center"bgcolor="#FF0000"><span class="style9 style10">ลบ</span></th>
	<tr>
	<?
 while($rs = mysql_fetch_array($result)){
	 		$Page_start++;
			 $id=$rs['host_id'];		
	 	if($num == 1){
?>
     <tr >
    <td  align = "center"><span class="style16"><? echo $Page_start;?></span></td>
	<td  align = "left"><span class="style16">
	  <? if($rs["re_id"]==''){echo "-";}else {echo $rs["re_id"]; }?>
	</span></td>
	<td align = "left"><span class="style16"><?echo $rs["host_name"];?></span></td>
	<td align = "left"><span class="style16">
	  <? if($rs["tel_mobile"]==''){echo "-";}else {echo $rs["tel_mobile"]; }?>
	</span></td>
	<td align = "left"><span class="style16"><? echo $rs["zone_name"]?></span></td>
	<td align = "left"><span class="style16"><? echo $rs["province_name"]?></span></td>
	<td align = "center"><a href="form_data_host_update.php?id=<?=$id;?>&type=1" class="style16"><img src="../images/2.png" width="25" height="20" border="0" /></a></td>
	<td align = "center"><a href="delete_host.php?id=<?=$id;?>&type=1" class="style16"onclick="return confirm('คุณต้องการลบข้อมูลหรือไม่');"><img src="../images/1.png" width="25" height="20" border="0" /></a></td>
	</tr>
	<?
			}
}
		?>
</table>
 <p align = "center"style="color: blue">หน้า
<?
		if($Prev_Page)
			echo "<a href=\"$PHP_SELF?Page=$Prev_Page\" ><<กลับ</a>";
		for($i=1;$i<=$Num_Pages;$i++)
		{
			if($i!=$Page)
				echo "<a href=\"$PHP_SELF?Page=$i\">[$i]</a>";
			else
				echo "<a class='selectPage'><b>$i</b></a>";
		}
		if($Page!=$Num_Pages)
			echo "<a href=\"$PHP_SELF?Page=$Next_page?\" >ถัดไป>></a>";
			?>
			</p>        
          </table>