<label>Kime Zimmetli</label>
  <select class="form-control" name="isim_soyisim" id="isim_soyisim" type="text" required>
<?php
$query = "SELECT id, AdSoyad FROM uyeler ORDER BY AdSoyad";
$result = mysql_query($query) or die(mysql_error() . "[" . $query . "]");
?>
<?php
while ($row = mysql_fetch_array($result)) {
$selecteditem ="";
if($row["AdSoyad"]=="Arif")
$selecteditem="selected";
?>
  <option <?php echo $selecteditem?> value="<?php echo $row["id"];?>"><?php echo $row["AdSoyad"];?></option>
<?php
}
?>
  
 </select>