how to retrieve data from database and display it in textboxes using javascript?

Today, We want to share with you how to retrieve data from database and display it in textboxes using javascript.In this post we will show you how to display data from database in html table using javascript, hear for how to fetch data from database in php and display in textbox before editing we will give you demo and example for implement.In this post, we will learn about how to retrieve data from database in html form with an example.

how to fetch data from database in php using search button?

register.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Member registion</title>
    <script src="https://cdn.bootcss.com/jquery/3.3.1/jquery.min.js"></script>
    <script>

        $(function () {
            $('#btn').click(function () {
              $.post(
                  'checkMemberName.php',{
                      membername:$('#membername').val()
                  },function(data,textStatus){
                      $('#outputs').html(data);
                });
            });
        });

    </script>
</head>
<body>
    <h2>Member registion</h2>
    <form action="" method="post">
        memberName:<input type="text" name="membername" id="membername">
        <input type="button" value="Verify memberName" id="btn">
        <br>
        <span id="outputs"></span>


    </form>
</body>
</html>

checkMemberName.php

<?php

$membernm = $_POST['membername'];

$conn = mysqli_connect('localhost','root','root','db_member');
$query = "SELECT * from tb_member where name = '$membernm' ";
$outputs = mysqli_query($conn,$query);
$nums = mysqli_num_rows($outputs);

//echo $query;
//echo $nums;
if($nums > 0){
    echo "Membername already exist";
}else{
    echo "Membername OK";
}

mysqli_close($conn);

I hope you get an idea about how to fetch data from database in php using ajax with example.
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