1. HTML Source Code(Index.php)

<table border="1" cellspacing="10">
<tr>
<th>S. N.</th>
<th>Name</th>
<th>Email Id</th>
<th>Action.</th>
</tr>
<?php
$conn=mysqli_connect("localhost", "root", "", "testproject");
$query=mysqli_query($conn, "SELECT * FROM userdetails"); while($rows=mysqli_fetch_array($query)){
?>
<tr>
<td><?php echo $rows['id']; ?></td>
<td><?php echo $rows['name']; ?></td>
<td><?php echo $rows['email']; ?></td>
<td><a href="delete.php?id=<?php echo $rows['id']; ?>">Delete</a></td>
</tr>
<?php } ?>
</table>