if ($sorgu) {
$veri = mysql_fetch_assoc($sorgu) ?>
  <tr>
    <th height="2" bgcolor="#CCCCCC" scope="row"><?php echo $veri[OgrNo]; ?></th>
    <td bgcolor="#CCCCCC"><?php echo $veri[SinifNo]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[Ad]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[Soyad]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[Tel]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[Mobil]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[AnneMobil]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[AnneAd]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[BabaMobil]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[BabaAd]; ?></td>
  </tr>
  <?php  }
  else{
  echo("hangi alanda arama yapacaksanız seciniz Ad ,Soyad.... ");}?>

bu geçici bi çözümmüş yeni yöntem
while ($veri = mysql_fetch_assoc($sorgu)) {?>
  <tr>
    <th height="2" bgcolor="#CCCCCC" scope="row"><?php echo $veri[OgrNo]; ?></th>
    <td bgcolor="#CCCCCC"><?php echo $veri[SinifNo]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[Ad]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[Soyad]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[Tel]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[Mobil]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[AnneMobil]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[AnneAd]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[BabaMobil]; ?></td>
    <td bgcolor="#CCCCCC"><?php echo $veri[BabaAd]; ?></td>
  </tr>
 <?php } mysql_close(); ?>
%100 kesin çözüm