php 数据不能被插入到Access数据库

<script>ec(2);</script>

?>

$_POST['username'] = $username;
$_POST['admin'] = $admin;
$_POST['gender'] = $gender;
$_POST['address'] = $address;
$_POST['hometel'] = $hometel;
$_POST['hp'] = $hp;
$_POST['email'] = $email;
$_POST['course'] = $course;
$_POST['year'] = $year;
$_POST['path'] = $path;
$_POST['title'] = $title;
$_POST['supervisor'] = $supervisor;
 
echo "Data has been submitted";
 
function Enter_New_Entry($username,$admin,$gender,$address,$phone,$hp,$email,$cou rse,$year,$path,$title,$supervisor) {
 
  
   if(!$cnx = odbc_connect( 'FYP' , 'root', '' ))die("error with connection");
    $SQL_Exec_String = "Insert Into rank (username,admin,gender,address,hometel,hp,email,course,year,path,title,s upervisor)
            Values ('$username','$admin','$gender','$address','$phone','$hp','$email','$cou rse','$year','$path','$title','$supervisor')";
 
    $cur= odbc_exec( $cnx, $SQL_Exec_String );
    if (!$cur) {
        Error_handler( "Error in odbc_exec( no cursor returned ) " , $cnx );
    }
 
    odbc_close( $cnx);
}
Enter_New_Entry($username,$admin);
?>