Edit.php

<html>
<head>
<title>Railay Viewpoint Resort</title>
</head>
<body>

<?php
   ini_set('display_errors', 1);
   error_reporting(~0);

   $hostname = "localhost";
   $username = "admin2";
   $password = "012757957";
   $dbname = "customer";

   $strrt_id = null;

   if(isset($_GET["rt_id"]))
   {
       $strrt_id = $_GET["rt_id"];
   }


   $conn = mysqli_connect ($hostname, $username, $password, $dbname);
mysqli_set_charset($conn, "utf8");


   $sqli = "SELECT * FROM rt_room WHERE rt_id = '".$strrt_id."' ";

  $dbquery = mysqli_query($conn,$sqli);


?>


<form action="save_edit.php" name="frmAdd" method="post">
<table width="350" border="1">
<h4 style="color:#000000;" align="left">แก้ไขข้อมูลห้องพัก</h4>


     <tr>
    <th width="500">รหัสห้องพัก</th>
    <td><input type="text" name="rt_id" size="20" value="<?php echo $result["rt_id"];?>"></td>
    </tr>
  <tr>
    <th width="500">ชื่อห้องพัก</th>
    <td><input type="text" name="rt_name" size="20" value="<?php echo $result["rt_name"];?>"></td>
    </tr>
  <tr>
    <th width="500">ราคา</th>
    <td><input type="text" name="txt rt_price" size="20" value="<?php echo $result["rt_price"];?>"></td>
    </tr>
  <tr>
    <th width="500">รายละเอียดห้องพัก</th>
    <td><input type="text" name="txtrt_detail" size="20" value="<?php echo $result["rt_detail"];?>"></td>
    </tr>

    <th width="120">รูปภาพ</th>
    <td><input type="typeImg" name="rt_image"
    value="<?php echo $result["rt_image"];?>">
    <div class="form-group">
    <input type="file" name="typeImg" >
     </div></div></td>


  </table>
  <input type="submit" name="submit" value="ยืนยันการแก้ไข">
</form>

<?php
mysqli_close($conn);
?>
</body>
</html>