bookstable.php

<?php 
require 'includes/snippet.php';
require 'includes/db-inc.php';
include "includes/header.php";   
include "includes/nav.php"; 

if(isset($_POST['del'])){

   $id = sanitize(trim($_POST['id']));

   $sql_del = "DELETE from books where BookId = $id"; 
   $error = false;
   $result = mysqli_query($conn,$sql_del);
      if ($result)
      {
      $error = true; //delete successful
      }			

   }
?>
   
<div class="container">
   
   <!-- navbar ends -->
   <!-- info alert -->
   <div class="alert alert-warning col-lg-7 col-md-12 col-sm-12 col-xs-12 col-lg-offset-2 col-md-offset-0 col-sm-offset-1 col-xs-offset-0" style="margin-top:70px">
      <span class="glyphicon glyphicon-book"></span>
      <strong>Books</strong> Table
   </div>
</div>
<div class="container">
   <div class="panel panel-default">
      <!-- Default panel contents -->
      <div class="panel-heading">
         <?php if(isset($error)===true) { ?>
         <div class="alert alert-success alert-dismissable">
            <button type="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
            <strong>Record Deleted Successfully!</strong>
         </div>
         <?php } ?>
         <div class="row">
            <a href="addbook.php"><button class="btn btn-success col-lg-3 col-md-4 col-sm-11 col-xs-11 button" style="margin-left: 15px;margin-bottom: 5px"><span class="glyphicon glyphicon-plus-sign"></span> Add Book</button></a>
         </div>
      </div>
      <table class="table table-bordered">
         <thead>
            <tr>
               <th>BookId</th>
               <th>bookTitle</th>
               <th>author</th>
               <th>ISBN</th>
               <th>publisherName</th>
               <th>categories</th>
               <th>callNumber</th>
               <th>Delete</th>
            </tr>
         </thead>
         <?php 
            $sql = "SELECT * from books";
            
            $query = mysqli_query($conn, $sql); 
            $counter = 1;
            while ($row = mysqli_fetch_array($query)) { ?>
         <tbody>
            <td><?php echo $row['bookId']; ?></td>
            <td><?php echo $row['bookTitle']; ?></td>
            <td><?php echo $row['author']; ?></td>
            <td><?php echo $row['ISBN']; ?></td>
            <td><?php echo $row['publisherName']; ?></td>
            <td><?php echo $row['categories']; ?></td>
            <td><?php echo $row['callNumber']; ?></td>
            <form method='post' action='bookstable.php'>
               <input type='hidden' value="<?php echo $row['bookId']; ?>" name='id'>
               <td><button name='del' type='submit' value='Delete' class='btn btn-warning'>DELETE</button></td>
            </form>
         </tbody>
         <?php 	}
            ?>
      </table>
   </div>
</div>

<?php include 'includes/footer.php'; ?>