ASP.net Adobe Air 通信、会话控制

项目：Adobe Air for Android，可连接到 ASP.net。以下是 AS3 代码：

//First login to the server and also grabbing from there ASP_NET_SessionId data (Cookie).
var session:String;
var loader:URLLoader = new URLLoader();
loader.dataFormat = URLLoaderDataFormat.TEXT;
var request:URLRequest= new URLRequest("https://somedomain.com/someaddress.aspx"); //yes with https
request.data = '{ "Message":"Login", "Data": { "User":"some@email.com", "Password":"somepassword" }}';
request.method = URLRequestMethod.POST;   
loader.addEventListener( HTTPStatusEvent.HTTP_RESPONSE_STATUS, httpStatusHandler);   
loader.addEventListener(Event.COMPLETE, completeHandler);
loader.load(request);
private function httpStatusHandler(e:HTTPStatusEvent):void 
{
    for each (var object:Object in e.responseHeaders)
    {
           if (object.name == "Set-Cookie")
           {
              var match:Array =object.value.match(/ASP.NET_SessionId=(.*?);/i);
              session = match[1];
              return
           }
    }
}

下一个调用是我已经得到的会话数据（Cookie）：

var loader:URLLoader = new URLLoader();
loader.dataFormat = URLLoaderDataFormat.BINARY; //now I just need binary data
var request:URLRequest= new URLRequest("https://somedomain.com/someaddress.aspx"); //yes with https
request.data = '{ "Message":"DoSomeStaff", "Data": { "Some":"info"}}';   
request.method = URLRequestMethod.POST;
request.requestHeaders = new Array(new URLRequestHeader("Cookie", "ASP.NET_SessionId=" + session )); //addedd Cookie data here
loader.addEventListener(Event.COMPLETE, completeHandler);
loader.load(request);

而且我在服务器上丢失了会话，无法获取数据（需要重新登录）

我在跨域也有这条线.xml

allow-http-request-headers-from domain="*" headers="*"

ASP.net 服务器端没有问题的原因，来自PHP的相同类型的调用工作正常。在这里：

$data_string ='{ "Message":"Login", "Data": { "User":"some@email.com", "Password":"somepassword" }}';
$ch = curl_init('https://somedomain.com/someaddress.aspx');
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json charset: UTF-8','Content-Length: ' . mb_strlen($data_string)));
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_HEADER ,1);
$result = curl_exec($ch);
curl_close($ch);
preg_match('/^Set-Cookie:'s*([^;]*)/mi', $result, $m);
parse_str($m[1], $cookies);
$sessionId = $cookies["ASP_NET_SessionId"];

在下一次调用中，我只使用该会话变量：

curl_setopt($ch, CURLOPT_COOKIE, "ASP.NET_SessionId=$sessionId; path=/");

一切正常。

我的问题是：我的 Actionscript 代码中缺少什么？或者可能有什么问题？