hocam birde alttaki gibi dener misiniz ?
<?php


include ("config.php");

echo '

<table width="100%" height="165" border="1">
  <tr>
    <td height="42"><div align="center">ID</div></td>
    <td> <div align="center">KULLANICI ADI</div></td>
    <td><div align="center">MAÝL</div></td>
    <td><div align="center">ÝSÝM</div></td>
    <td><div align="center">TELEFON</div></td>
    <td><div align="center">GSM</div></td>
    <td><div align="center">TC</div></td>
  </tr>';


$oku = mysql_query("select * from users");


while ($yaz = mysql_fetch_array ($oku) ){


$id = $yaz[ID];
$nick = $yaz[Username];
$mail = $yaz[Mail];
$name = $yaz[Name];
$tel = $yaz[Telephone];
$gsm = $yaz[GSM];
$tc = $yaz[TC];


  
  
  
 
echo' <tr>
    <td>'.$id.'</td>
    <td>'.$nick.'</td>
    <td>'.$mail.'</td>
    <td>'.$name.'</td>
    <td>'.$tel.'</td>
    <td>'.$gsm.'</td>
    <td>'.$tc.'</td>
    <td><a href="viewmember.php?action=degistir&id='.$id.'">Degistir</a></td>
    <td><a href="viewmember.php?action=sil&id='.$id.'">Sil</a></td>
  </tr>';
  
 




}

 echo '</table>';

$action = $_GET["action"];

switch ($action){

case "sil":

$ids=$_GET['id'];
echo $ids." Nolu veri silinmiştir.";

mysql_query ("DELETE FROM users WHERE ID='$ids'");
break;

}


?>