ปัญหา การสร้าง nextpage คือ ผมมี record อยู่ แต่หน้าที่ 2 เหมือนกับ หน้า 1

<?php
$sql = "select * from tbl_users where 1=1";
		if($_POST["Search"]){
			
	
			if($username != ""){
				$sql.=" and username like  '%$username%'";
			}	
			if($empcode != ""){
				$sql.=" and emp_code like  '%$emp_code%'";
				if($condition == "1"){ 
					$sqlData = "select user_id, username, password, emp_code from tbl_users where user_level = 1  ";
					$queryData = mysql_query($sqlData);
					$rowData = mysql_fetch_array($queryData);
					//print_r($rowData);
						}
					
				if($condition == "2"){

					$sqlData = "select user_id, username, password, emp_code from tbl_users where user_level = 2  ";
					$queryData = mysql_query($sqlData);
					$rowData = mysql_fetch_array($queryData);
					//print_r($rowData);
				}if($condition == "3"){

					$sqlData = "select user_id, username, password, emp_code from tbl_users where user_level = 3  ";
					$queryData = mysql_query($sqlData);
					$rowData = mysql_fetch_array($queryData);
					//print_r($rowData);
				}	
			}
			}
		
		$query = mysql_query($sql);
		$nums = mysql_num_rows($query); 

		$Per_Page = 10;   // Per Page

$Page = $_GET["Page"];
if(!$_GET["Page"])
{$Page=1;
}
$Prev_Page = $Page-1;
$Next_Page = $Page+1;

$Page_Start = (($Per_Page*$Page)-$Per_Page);
if($nums<=$Per_Page){
	$Num_Pages =1;
	}
else if(($nums % $Per_Page)==0){
	$Num_Pages =($nums/$Per_Page) ;
}
else{
	$Num_Pages =($nums/$Per_Page)+1;
	$Num_Pages = (int)$Num_Pages;
}

$strSQL .=" order  by CustomerID ASC LIMIT $Page_Start , $Per_Page";
$objQuery  = mysql_query($strSQL);

		//echo "<br>";
		//echo $sql;
		$i=1;
    	while($rows = mysql_fetch_array($query)){
	?>
    <tr>
      <td bordercolor="#000000"><div align="center"><?php echo $i;?></div></td>
      <td bordercolor="#000000"><div align="center"><?php echo $rows["username"];?></div></td>
      <td bordercolor="#000000"><div align="center"><?php echo $rows["password"];?></div></td>
      <td bordercolor="#000000">
	  <div align="center"><?php 
	  	if( $rows["user_level"] == "1"){
			echo "ผู้ดูแลระบบ";
		}if( $rows["user_level"] == "2"){
			echo "เจ้าหน้าที่บันทึกข้อมูล";
		}if( $rows["user_level"] == "3"){
			echo "ผู้ใช้งานทั่วไป";
		}
	  ?></div></td>
      <td bordercolor="#000000"><div align="center"><?php echo $rows["emp_code"];?></div></td>
      <td bordercolor="#000000"><div align="center"><a href="edit_user.php?user_id=<?php echo $rows["user_id"];?>">คลิก</a></div></td>
      <td align="center" bordercolor="#000000"><div align="center"><a href="JavaScript:if(confirm('คุณต้องการลบข้อมูลผู้ใช้รายนี้ ใช่ หรือ ไม่ ?')==true){window.location='Deleteuser.php?delete_id=<?php echo $rows["user_id"];?>';}">คลิก</a></div></td>
    </tr>
       <?php 
		$i++;}
	?>
    <?php 
		if($nums == 0){
	?>
    <tr>
      <td colspan="7" bordercolor="#000000"><div align="center" class="style13 style2">ไม่พบรายการที่ค้นหา</div></td>
    </tr>
	<?php 
		}
	?>
  </table>
</form>
<script type="text/javascript">
function show_confirm()
{
	var r = confirm("!! คุณต้องการออกจากระบบ ใช่ หรือ ไม่ !!");
		if (r==true)
		{
		  location="logout.php";
		}else{
		  location="select_user.php";
		}
}
</script>
<br>
Total <?= $nums;?> Record : <?=$Num_Pages;?> Page :
<?
if($Prev_Page)
{
	echo " <a href='$_SERVER[SCRIPT_NAME]?Page=$Prev_Page'><< Back</a> ";
}

for($i=1; $i<=$Num_Pages; $i++){
	if($i != $Page)
	{
		echo "[ <a href='$_SERVER[SCRIPT_NAME]?Page=$i'>$i</a> ]";
	}
	else
	{
		echo "<b> $i </b>";
	}
}
if($Page!=$Num_Pages)
{
	echo " <a href ='$_SERVER[SCRIPT_NAME]?Page=$Next_Page'>Next>></a> ";
}

?>