How could i update my list when i update my database?

i want that when i finish updating i wanna redirect my page to the list of data and with that item being updated

here is my code of the form to update


$fname = $_GET['fname'];
$lname = $_GET['lname'];
$id = $_GET['id'];

       <form action="phpEdit.php?id='<?=$id?>'" method="post">
        <h1>Please enter your info.</h1>
        First Name: <input type="text" name="firstname" id="firstname" class="firstname" value=<?=$fname?>><br>
        Last Name:  <input type="text" name="lastname" id="lastname" class="lastname" value=<?=$lname?>> <br>
        Id: <input type="number" name="id" value=<?=$id?>>
        <input type="submit" value="UPDATE" class="SUBMIT" >

and this is my code to update my database

require 'connection.php';

$first_name = mysqli_real_escape_string($conn, $_POST['firstname']);
$last_name = mysqli_real_escape_string($conn, $_POST['lastname']);
$id = $_POST['id'];
echo $first_name;
$sql = "UPDATE persons SET firstname='".$first_name."',lastname='".$last_name."' WHERE id='".$id."'";

if (mysqli_query($conn, $sql)) {
    echo "Record updated successfully";
} else {
    echo "Error updating record: " . mysqli_error($conn);


this is my code of list


function tableV1 ($row) {
    echo '<tr>';
    echo '<td>' .$row['id']. '</td>';
    echo '<td>' . $row['firstname'] . '</td>';
    echo '<td>' . $row['lastname'] . '</td>';

  $dbPassword = "micr2001";
   $dbUserName = "PHPFundamentals";
   $dbServer = "localhost";
   $dbName = "PHPfundamentals";   

// Create connection
$conn = mysqli_connect($dbServer , $dbUserName , $dbPassword,$dbName) or die("unable to connect to host"); 

// Check connection
if ($conn->connect_error) { die("Connection failed: " . $conn->connect_error); } 
<!DOCTYPE html>
        <meta charset="utf-8" />
        <meta http-equiv="X-UA-Compatible" content="IE=edge">
        <title>Page Title</title>
        <meta name="viewport" content="width=device-width, initial-scale=1">
          <link rel="stylesheet" type="text/css" href="style.css">
        <style type="text/css">
        table {font-size: 27px; }
        tbody {}
        td {border-bottom: 1px solid bisque;padding:15px;}
        th {border-bottom: 1px solid bisque;padding:15px;}
        thead {}
        tr {}
                <th>First Name</th>
                <th>Last Name</th>
// Takes all the results from the table with genre 5.
$sql = "SELECT id,firstname, lastname FROM persons";

$result = $conn->query($sql);

if ($result->num_rows > 0) {

    // Output data of each row
    while($row = $result->fetch_assoc()) {
        $rowId = $row['id'];
        $first_name = $row['firstname'];
        $last_name = $row['lastname'];
        echo '<td>'
        . '    <a class="edit_btn btn" href=edit.php?id='.$rowId.'&lname='.$last_name.'&fname='.$first_name. '>Edit</a>'
        . '   </td>';
	echo '<td><a class="del_btn btn" href=delete.php?id='.$rowId.'>Delete</a></td>';
        echo' </tr>';

} else {
    echo '<tr><td colspan="3">0 results</td></tr>';