invisio v2.0

<?php
session_start();
include('../../../config/main_function.php');
$secure = "cAh3DrJACzw4RbU";
$connection = connectDB($secure);

$faq_id = mysqli_real_escape_string($connection, $_POST['faq_id']);

$sql = "SELECT * FROM tbl_faq WHERE faq_id = '$faq_id'";
$res = mysqli_query($connection, $sql);
$row = mysqli_fetch_assoc($res);

?>
<div class="modal-header">
    <h4 class="modal-title">แก้ไข</h4>
    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
</div>
<div class="modal-body">

<form method="POST" id="form_edit" enctype="multipart/form-data">
        <input type="hidden" name="faq_id" id="faq_id" value="<?php echo $faq_id; ?>">
        <div class="form-group mb-2">
            <label for="faq_question" id="">คำถาม</label>
            <input type="text" name="faq_question" id="faq_question" class="form-control" value="<?php echo $row['faq_question']; ?>">
        </div>
        <div class="form-group mb-2" id="">
            <label for="faq_answer" id="Password_label">คำตอบ</label>
            <textarea class="form-control" name="faq_answer" id="faq_answer" cols="30" rows="10"><?php echo $row['faq_answer']; ?></textarea>
        </div>
    </form>
</div>
<div class="modal-footer">
    <button type="button" class="btn btn-primary" onclick="SubmitEdit()"><i class="fa fa-check"></i>&nbsp;บันทึก</button>
    <button type="button" class="btn btn-white" data-dismiss="modal">ปิด</button>
</div>