arkdaşlar kod hatalıda olabilir yeni yeni başlıyorum lütfen gülmeyin ama burdaki hata nedir?


dizi-guncelle.php

<form action="dizi-guncelleme.php" method="post"> 
<?php
include "database.php";

$get_id = $_GET['id'];
if(isset($get_id)){
$sql = "Select * From diziler where id=$get_id";
}else{
$sql = "Select * From  ORDER BY id desc LIMIT 0,3";
}
$query = mysql_query($sql);
while($read = mysql_fetch_assoc ($query)){
	$id				= $read['id'];
	$diziadi		= $read['diziadi'];
	$yonetmen		= $read['yonetmen'];
	$yapimci		= $read['yapimci'];
	$senaryo		= $read['senaryo'];
	$tur			= $read['tur'];
	$yapim			= $read['yapim'];
	$dil			= $read['dil'];
	$ozet			= $read['ozet'];
?>
<table border="0" width="658" cellspacing="0" cellpadding="0"> 
    <tr> 
        <td width="81">Dizi Adı</td> 
        <td><input type="text" name="diziadi" size="70" value="<?php echo $diziadi ?>"></td> 
    </tr> 
    <tr> 
        <td width="81">Yönetmen</td>
        <td><input type="text" name="yonetmen" size="100" value="<?php echo $yonetmen ?>"></td>
    </tr> 
    <tr> 
        <td width="81">Yapımcı</td> 
        <td><input type="text" name="yapımci" size="100" value="<?php echo $yapimci ?>"></td>
    </tr>
    <tr> 
        <td width="81">Senaryo</td> 
        <td><input type="text" name="senaryo" size="100" value="<?php echo $senaryo ?>"></td>
    </tr>
    <tr> 
        <td width="81">Tür</td> 
        <td><input type="text" name="tur" size="100" value="<?php echo $tur ?>"></td>
    </tr>
    <tr> 
        <td width="81">Yapım</td> 
        <td><input type="text" name="yapim" size="100" value="<?php echo $yapim ?>"></td>
    </tr>
    <tr>
        <td width="81">Dil</td> 
        <td><input type="text" name="dil" size="100" value="<?php echo $dil ?>"></td>
    </tr>
    <tr> 
        <td width="81">Özet</td> 
        <td><textarea rows="9" name="ozet" cols="100"><?php echo $ozet ?></textarea></td> 
    </tr>
        <td><input type="submit" value="Güncelle"></td> 
    </tr> 
</table> 
</form>
<?php } ?>

dizi-guncelleme.php

<?php
include "database.php";

{
$diziadi		= $_POST["diziadi"];
$yonetmen		= $_POST["yonetmen"];
$yapimci		= $_POST["yapimci"];
$senaryo		= $_POST["senaryo"];
$tur			= $_POST["tur"];
$yapim			= $_POST["yapim"];
$dil			= $_POST["dil"];
$ozet			= $_POST["ozet"];
if($eklesql) {

$eklesql = mysql_query("UPDATE diziler (diziadi,vizyontarih,yonetmen,yapimci,senaryo,tur,yapim,dil,ozet) VALUES ('diziadi','vizyontarih','yonetmen','yapimci','senaryo','tur','yapim','dil','ozet')");

echo "guncellendi!";
}else{
echo "guncellenmedi!";
}
}
?>