Convert 20 lines of PHP TO ASP.NET

I need this code to be converted to asp.net : <?php $plate = "A71EPD"; $url="[login to view URL]"; $cookie = "[login to view URL]"; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE); curl_setopt($ch, CURLOPT_USERAGENT, "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.6) Gecko/20070725 Firefox/2.0.0.6"); curl_setopt($ch, CURLOPT_TIMEOUT, 60); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE); curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie); curl_setopt($ch, CURLOPT_REFERER, $url); $result = curl_exec($ch); $l_url1 = explode('<form method="post" id="homeForm" action="', $result); $l_url2 = explode('"><input type="hidden" name="persist_affiliateid" value="" />', $l_url1[1]); $l_url = $l_url2[0]; $an_id1 = explode('<input type="hidden" name="persist_SubscriberID" value="', $result); $an_id2 = explode('" />', $an_id1[1]); $an_id = $an_id2[0]; $token1 = explode('[login to view URL]', $l_url); $token = $token1[1]; $postdata = "&persist_affiliateid=" . "" . "&persist_SubscriberID=" . $an_id . "&persist_ReturnPath=" . "Homepage" . "&AutoLocateID=" . $token . "&VRM=" . $plate . "&DoLogin=" . "Login" . "&PasswordNotReset=" . "True" . "&AutocheckNow.y=" . "yes" . "&Confirmed=" . "" . "&DoHomepageLogin=" . "Login" . "&ConfirmVRM=" . "" . "&ProductId=" . "" . "&Homepage=" . "" . "&submit=Login%20into%20Account"; curl_setopt($ch, CURLOPT_URL, $l_url); curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata); curl_setopt($ch, CURLOPT_POST, 1); $final_result1 = curl_exec($ch); $final_result1 = explode('<div class="vehicleDescResult">', $final_result1); $final_result2 = explode('<br>', $final_result1[1]); $make = $final_result2[1]; $model = $final_result2[2]; $color = $final_result2[3]; if( $make ){ echo '{"car": { "RegNo": "' . $plate . '", "Make": "' . $make . '", "Model": "' . $model . '", "Color": "' . $color . '" }}'; } else{ echo '{"car": { "RegNo": "unknown", "Make": "unknown", "Model": "unknown", "Color": "unknown" }}'; } curl_close($ch); ?>