search bill fast delivery application web

- demo: http://tracuuvandon.info/
// this is my code

<?php $mabill = $_POST["mabill"]; ?>
<?php include "command.php"; ?>
<?php $table='vandon';?>
<?php
include "connect.php";
?>
<center>
<?php


$sql = "SHOW COLUMNS FROM $table";
$result = mysqli_query($conn,$sql);
$i=0;



$sql = "select * from $table where mabill='$mabill'";

$result = $conn->query($sql);
if ($result->num_rows > 0) {
    // output data of each row

    while($row = $result->fetch_assoc()) {
//van don
$mabill=$row["mabill"];$ngay=$row["ngay"];$khachgui = $row["khachgui"];$nguoinhan = $row["nguoinhan"];
$tinhden = $row["tinhden"];$diachinhan = $row["diachinhan"];$trongluong = $row["trongluong"];$thuho = $row["thuho"];
$dichvu = $row["dichvu"];$tinhtrangdonhang = $row["tinhtrangdonhang"];$tenkynhan = $row["tenkynhan"];$ghichu = $row["ghichu"];
  //echo "<td >". $row["tenvattu"]. "</td>";
//echo "<td style='padding-left:10px'>". $row["mavattu"]. "</td>";
//echo "<td style='padding-left:10px'>". $row["2"]. "</td>";
//echo "<td style='padding-left:10px'>". $row["donvitinh"]. "</td>";
//echo "<td style='padding-left:10px'>". $row["madoanhnghiep"]. "</td>";
//echo "<td style='padding-left:10px' height='200' width='200'>". <img src=".$row["duongdan"]."  />. "</td>";
//echo "<td style='padding-left:10px'><div id='resize'><center><img src=".$row["duongdan"]." height='50px' width='50px' /></center></div></td>";
//echo "<td style='padding-left:10px'><div id='resize'><center><a href='index.php?form=".$row["donvitinh"]."'><img src=".$row["duongdan"]." height='55px' width='55px' /></a></center></div></td>";


    }

}




?>
<div class="container">
<br>
<?php echo "<font size='+2'>THÔNG TIN VẬN ĐƠN</font>"; ?>
<br><br>
<center>
<form id="doupdate" action="./doupdate.php#doupdate" method="post" enctype="multipart/form-data">
 <table border='0'  style="width:100%">
 
     <tr>
     <td width='17%'>Mã bill</td>
     <td><input type="text" name="mabill" class=""  style="width:100%"  value="<?php echo $mabill; ?>"/></td>
   </tr>
     <tr>
     <td>Ngày</td>
     <td><input type="text" name="ngay" class=""  style="width:100%"  value="<?php echo $ngay; ?>"/></td>
   </tr>
      <tr>
     <td>Khách gửi</td>
     <td><input type="text" name="khachgui" class=""  style="width:100%"  value="<?php echo $khachgui; ?>"/></td>
   </tr>
     <tr>
     <td>Người nhận</td>
     <td><input type="text" name="nguoinhan" class=""  style="width:100%"  value="<?php echo $nguoinhan; ?>"/></td>
   </tr>
 
     <tr>
     <td>Tỉnh đến</td>
     <td><input type="text" name="tinhden" class=""  style="width:100%"  value="<?php echo $tinhden; ?>"/></td>
   </tr>
 
    <tr>
     <td>Địa chỉ nhận</td>
     <td><input type="text" name="diachinhan" class=""  style="width:100%" value="<?php echo $diachinhan; ?>"/></td>
   </tr>
 
    <tr>
     <td>Trọng lượng</td>
     <td><input type="text" name="trongluong" class=""  style="width:100%" value="<?php echo $trongluong." KG"; ?>"/></td>
   </tr>
 
      <tr>
     <td>Thu hộ</td>
     <td><input type="text" name="thuho" class=""  style="width:100%"  value="<?php echo $thuho; ?>"/></td>
   </tr>
 
    <tr>
     <td>Dịch vụ</td>
     <td><input type="text" name="dichvu" class=""  style="width:100%"  value="<?php echo $dichvu; ?>"/></td>
   </tr>
 
   <tr>
     <td>Tình trạng đơn hàng</td>
     <td><input type="text" name="tinhtrangdonhang"  style="width:100%"  class=""  value="<?php echo $tinhtrangdonhang; ?>"/></td>
   </tr>
 
 
      <tr>
     <td>Tên ký nhận</td>
     <td><input type="text" name="tenkynhan" class=""  style="width:100%"  value="<?php echo $tenkynhan; ?>"/></td>
   </tr>
   
      <tr>
     <td>Ghi chú</td>
     <td><input type="text" name="tenkynhan" class=""  style="width:100%"  value="<?php echo $ghichu; ?>"/></td>
   </tr>
 </table>

 
</form>
</center>
</div>
<?php $table='vandon';?>
<?php
include "connect.php";
?>
<center>
<?php include 'lastupdate.php';?>