<?php

/* 
- Query bauen
- zur DB connecten
*/

$result = mysql_query($query);
$found  = mysql_num_rows($result);

for ($i = 0; $i < $found; $i++)
    {
    $result_array = mysql_fetch_array($result);
    
    if (!$i)
        echo '<a href="formular.php?eindeutiges_merkmal='.
            urlencode($result_array['feld_wo_eindeutig_ist']).'">';
    
    /*
    Datensatz darstellen, z. B. mit

    foreach ($result_array AS $field)
        {
        echo $field.' ';
        }
    */

    if (!$i)
        echo '</a>';

    echo '
'
    }
    



// formular

$query = 'SELECT feld1, feld2 
          FROM tabelle
          WHERE feld_wo_eindeutig_ist = "'.$_POST['eindeutiges_merkmal'].'"';    
    
?>

  $query = "SELECT * FROM pgost_betreuerdatenbank WHERE  Benutzername =  '$Benutzername' AND Passwort = '$Passwort'  "; 

  
 $result = mysql_query($query) or die (mysql_error()."
Couldn't execute query: $query");  


 
 if(mysql_num_rows($result)) 
 { 
  while($row=mysql_fetch_array($result))     
  { 
   $Vorname = $row['Vorname']; 
   $Nachname = $row['Nachname']; 
   $EMail = $row['EMail']; 
   

   
   echo ()

echo '<form ...><input ... value="'.htmlentities($Vorname).'">...</form>';