Untitled

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Untitled Document</title>
<style>
table, th, td {
  border: 1px solid black;
}
</style>
</head>

<?php
include "coursedb.php";
$sql="select * from coursetb";
$results= mysqli_query($conn,$sql);
if(!$results){
	echo mysqli_error($conn);
	exit();
}
?>
<body>

<table style="width:100%">
  <tr>
    <th>Course Name</th>
    <th>Price</th>
    <th>Description</th>
    <th>Course Duration(Days)</th>
    <th>Available Seats</th>
  </tr>
<?php
  while ($row=mysqli_fetch_assoc($results)){
  	echo "<tr><td>" . $row['coursename'] . "</td>";
  	echo "<td>" . $row['price'] . "</td>";
	echo "<td>" . $row['description'] . "</td>";
	echo "<td>" . $row['courseduration'] . "</td>";
	echo "<td>" . $row['seats'] . "</td></tr>";
  }
 ?>
</table>
</body>
</html>