อัพเดท สถานะจาก Aไปเป็น B , Aไปเป็น C ยังใงดีครับ

                <td > <a href=editstatusw.php?Wit_ID=<?echo $Status;?>อนุมัติ</a>
                <td > <a href=editstatusw.php?Wit_ID=<?echo $Status;?>ไม่อนุมัติ</a>

$conn = mysqli_connect($serverName,$userName,$userPassword,$dbName);
	mysqli_set_charset($conn,"utf8"); 
	$Status="";
	$sql = "UPDATE withdraw_parcel SET 
         	Wit_ID = '".$_POST["Wit_ID"]."' ,
			 Wit_Status = '".$_POST["Wit_Status"]."'
			WHERE Wit_ID = '".$_POST["Wit_ID"]."' ";

	$query = mysqli_query($conn,$sql);
	if($query===TRUE) {
		header('Location: withdraw_list.php'); 
	}
	else{
	echo "Record update fail";
	}

$_POST['1'];

$_GET['1'];

$status = '???';
index.php?id=<?php echo '???'; ?>&status=<?php echo '???';?>

Code (PHP)
[php] หน้าส่งไม่ขึ้นลิงค์ อนุมัติให้กดครับ เอาแทรกก็ไม่ขึ้น ^^
<td > <a href=editstatusw.php?Wit_ID=<?php echo 'Wit_Status'; ?> &status=<?php echo 'Wit_Status';?>
                <td > <a href=editstatusw.php?Wit_ID='C'<?echo 'Wit_Status';?>ไม่อนุมัติ</a>

	$conn = mysqli_connect($serverName,$userName,$userPassword,$dbName);
	mysqli_set_charset($conn,"utf8"); 
	     $status = 'Wit_ID';
		$sql = "UPDATE withdraw_parcel SET 
         	Wit_ID = '".$_GET["Wit_ID"]."' ,
			 Wit_Status = '".$_GET["Wit_Status"]."'
			WHERE Wit_ID = '".$_GET["Wit_ID"]."' ";

	$query = mysqli_query($conn,$sql);
	if($query===TRUE) {
		header('Location: withdraw_list.php'); 
	}
	else{
	echo "Record update fail";
	}

	mysqli_close($conn);

<meta charset="utf-8">
<?php
    $wid = 1;
    $status_ok = 1;
    $stutus_not_ok = 0;
?>
    <a href=editstatusw.php?wstatus=<?php echo $status_ok;?>&wid=<?PHP echo $wid;?>>อนุมัติ</a>
    <br>
    <a href=editstatusw.php?wstatus=<?php echo $status_not_ok;?>&wid=<?PHP echo $wid;?>>ไม่อนุมัติ</a>

<?php
$conn = mysqli_connect($serverName,$userName,$userPassword,$dbName);
mysqli_set_charset($conn,"utf8");

$sql = "UPDATE withdraw_parcel SET Wit_Status = '".$_GET["wstatus"]."' WHERE Wit_ID = '".$_GET["wid"]."'";
$query = mysqli_query($conn,$sql);

if($query===TRUE) {
	header('Location: withdraw_list.php'); 
}
else{
echo "Record update fail";
}
mysqli_close($conn);
?>