C#に翻訳してください

<?php
$key = mysql_escape_string($_GET["msg"]);
$post_data = array (
'requestContent=' . $key
);
$post_data = 爆破 ( '&', $post_data );
$url = 'http://nlp.xiaoi.com/robot/demo/wap/wap-demo.action';

$ch = curl_init ();
curl_setopt ( $ch, CURLOPT_POST, 1 );
curl_setopt ( $ch, CURLOPT_URL, $url );
curl_setopt ( $ch, CURLOPT_POSTFIELDS, $post_data );
ob_start ();
curl_exec ( $ch );
$result = ob_get_contents ();
ob_end_clean ();

$preg = '/</span>(.*)</p>/iUs';
preg_match_all ( $preg, $result, $match );
$response_msg = $match [0] [0];
$preg = "/</?[^>]+>/i";
$response_msg = preg_replace ( $preg, '', $response_msg );
if ("こんにちは、お元気ですか" == $response_msg || "調子はどうですか" == $response_msg) {
$response_msg = "小i机器人欢迎您、作者主页地址：50vip.com。小i机器人不断学习中，欢迎各种调戏.../:,@-D"; // 欢迎语
}
$response_msg = trim ( $response_msg );
echo $response_msg;
?>

回复讨论(解决方案)

c#+curl

c#+curl

httprequest httpresponse 不就可吗 我看不懂php 不知道他在干嘛