with From posting Ajax , Ajax, Ajax .
<form action='/clinic form/appoint/delete.php'=<?php echo $rows['id']; ?>' method="post">
    <input type="hidden" name="id" value="<?php echo $rows['id']; ?>">
    <input type="submit" name="submit1" value="Done">
</form>
getdata.php
<button type="button" class="DelMe" data-id="<?php echo $rows['id']; ?>">Delete Me</button>
getdata.php <tr> <tr class="deleted">, <?php } } ?> Ajax delete, delete Ajax DOM.
<?php } ?>
    <script>
    $(document).ready(function(){
        $(".DelMe").on('click', function(){
                var DelId =$(this).data('id');     
                var dataString = 'DelId='+ DelId;
                    $.ajax({
                    type: "POST",
                    url: "delete.php",
                    data: dataString,
                    cache: false,
                    success: function(msg) {
                        $(this).parents(".deleted").hide(500);
                    } 
                });
            });
    });
    </script>
<?php } ?>
getdata.php :
<?php require_once ('../include/global.php');
    if($_POST['seldate']) {
        $selDate = $_POST['seldate'];
        $sql="SELECT * FROM clinic.appoint WHERE date='$selDate'";
        $result = mysqli_query($con, $sql) or die($sql."<br/><br/>".mysql_error());
        while($rows=mysqli_fetch_array($result)){
    ?>
    <tr class="deleted">
        <td scope="row"><?php echo $rows['time'] ?></td>
        <td scope="row"><?php echo $rows['name'] ?></td>
        <td scope="row"><?php echo $rows['date'] ?></td>
        <td scope="row"><button type="button" class="DelMe" data-id="<?php echo $rows['id']; ?>">Delete Me</button></td>
    </tr>
<?php } ?>
<script>
$(document).ready(function(){
    $(".DelMe").on('click', function(){
            var DelId =$(this).data('id');       
            var dataString = 'DelId='+ DelId;
                $.ajax({
                type: "POST",
                url: "delete.php",
                data: dataString,
                cache: false,
                success: function(msg) {
                    $(this).parents(".deleted").hide(500);
                } 
            });
        });
});
</script>
<?php } ?>
PHP delete.php
<?php require_once ('../include/global.php');
    if($_POST['DelId']) {
        $DelId = $_POST['DelId'];
        $sql="DELETE FROM appoint WHERE id='$DelId'";
        $result = mysqli_query($con, $sql) or die($sql."<br/><br/>".mysql_error());
        $rowcount=mysqli_num_rows($result);
        if ($rowcount > 0) {
            echo "success";
        } else {
            echo "false";
        }   
    } 
?>
, .