Konventer PHP til ASP

Hej

jeg har en lille opgave
er der nogen der kan hjælpe mig med at konventer dett php script til ASP?

<?php
/*
* Written By: René Ibsen
* Date: 2012/03/21
*
*
*/

/************************************CONFIG****************************************/

//SETTINGS//
//This code is something you set in the APP so random people cant use it.
$ACCESSKEY="InsusaScan";

/************************************CONFIG****************************************/

//these are just in case setting headers forcing it to always expire and the content type to CSV
header('Cache-Control: no-cache, must-revalidate');
header('Content-type: text/csv');

error_log(print_r($_POST,TRUE));

if( isset($_POST['export']) && isset($_POST['key']) ){  //checks ifthe tag post is there and if its been a proper form post
        if($_POST['key']==$ACCESSKEY){          ///validate the ACCESS key
            $export=urldecode($_POST['export']);
            $outstream = fopen('./export'.date("YmdHis").'.txt', 'w');
            fputs($outstream, $export);
            fclose($outstream);
            echo $export; //writes out csv data back to the client
        } else {
                header("HTTP/1.0 400 Bad Request");
                echo "Bad Request";    //reports if the code is bad
        }

} else {
        header("HTTP/1.0 400 Bad Request");
        echo "Bad Request";
}
?>