i tried to retrieve the data from qr code , scan then send to database. Unfortunately i cant save it in database. Please help me with this

i have tried the

public void scanResult(ScanResult result) {
    btn.setEnabled(true); 

still cant. help me to resolve this problem.

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            <div id="tableactionTabContent" class="tab-content">
                <div id="pp" class="tab-pane fade in active">
                <div class="row">
                    <div class="col-lg-12">
                    <div class="panel panel-blue">
                        <div class="panel-heading">Add Attendance</div>
                        <div class="panel-body pan">
                        <div class="panel-heading">
                            <h4 align="center" class="panel-title" style="color:#FF0000;"> </h4> 
                                                     <div class="row">
                                                      <div class="col">
                                                          <form action="insert.php" method="post" class="">
                                                         <div style="width:500px;" id="reader"></div>
                                                         </div>
                                                           <div class="col" style="padding:30px;">
                                                               <h4>Details</h4>
                                                                 <div name ="result" id="result"></div>
                                                            </div>
                                                         </form>
                                                       </div> 
                                                       </div>

<script type="text/javascript">
function onScanSuccess(qrCodeMessage) {
    document.getElementById('result').innerHTML = '<span class="result">'+qrCodeMessage+'</span>';
    document.forms[0].submit();
}

function onScanError(errorMessage) {
  //handle scan error
}

var html5QrcodeScanner = new Html5QrcodeScanner(
    "reader", { fps: 10, qrbox: 250 });
html5QrcodeScanner.render(onScanSuccess, onScanError);

</script>
                    

                    </div>
                    </div>
                </div>
                </div>
            </div>
            </div>
        </div>
        </div>
    </div>
    <!--BEGIN FOOTER-->
    <?php include'include/footer.php'?>
    </div>
    <script>
      $.validate({
    lang: 'es'
      });
    </script>

source https://stackoverflow.com/questions/68565349/i-tried-to-retrieve-the-data-from-qr-code-scan-then-send-to-database-unfortun