Untitled

<script type="text/javascript">
    function showUser($id){

    $("#email").keyup(function(){
        $.ajax({
        type: "POST",
        url: "http://localhost/cart/guser.php",
        data:'keyword='$id,
        success: function(data){
            $("#txtHint").html(data);

         }
        });
    });
}
   </script>

<!DOCTYPE html>
<html>
<body>

<form>
  enter digit :
  <input type="text" id="id" name="id" onkeyup='showUser(this.value)'/>
  <br />


</form>
<br>
<div id="txtHint"><b>Person info will be listed here...</b>
</div>

<script>
function showUser(id) {
  httpRequest = new XMLHttpRequest();

  if (!httpRequest) {
    alert('Giving up :( Cannot create an XMLHTTP instance');
    return false;
  }
else
{

        httpRequest.onreadystatechange = function() {
            if (httpRequest.readyState == 4 && httpRequest.status == 200) {
                document.getElementById("txtHint").innerHTML = httpRequest.responseText;
            }
        };
        httpRequest.open("GET", "localhost/cart/guser.php?id=" + id, true);
        httpRequest.send();
}

}
</script>

</body>
</html>

<!DOCTYPE html>
<html>
<head>
<style>
table {
    width: 100%;
    border-collapse: collapse;
}

table, td, th {
    border: 1px solid black;
    padding: 5px;
}

th {text-align: left;}
</style>
</head>
<body>

<?php
$id = intval($_GET['id']);

$servername = "localhost";
$username = "root";
$password = "";
$dbname = "cart";

$conn = mysqli_connect($servername, $username, $password, $dbname);

if (mysqli_connect_errno())
  {
  echo "Failed to connect to MySQL: " . mysqli_connect_error();
  }


mysqli_select_db('cart',$con);

$sql="SELECT * FROM user_details WHERE id = '".$id."'";
$result = mysqli_query($con,$sql);

echo "<table>
<tr>
<th>Firstname</th>
<th>Lastname</th>
<th>email</th>
</tr>";
while($row = mysqli_fetch_array($result)) {
    echo "<tr>";
    echo "<td>" . $row['FirstName'] . "</td>";
    echo "<td>" . $row['LastName'] . "</td>";
    echo "<td>" . $row['email'] . "</td>";
    echo "</tr>";
}
echo "</table>";
mysqli_close($con);
?>
</body>
</html>