httpwebresponse 异步： request.BeginGetRequestStream 报错! 无法发送具有此谓词类型的内容正文。

request.BeginGetRequestStream 报错! 无法发送具有此谓词类型的内容正文。

注意此方法：

//////request.Method = "GET"; //若不为异步，则调用此方法。

request.Method = "POST"; //若为异步，则调用此方法。

try

{

request = WebRequest.Create(string.Format(getUri, webURI, betInfor.Row.PlayID, uID, pType, gNum)) as HttpWebRequest;

//////request.Method = "GET"; //若不为异步，则调用此方法。

request.Method = "POST"; //若为异步，则调用此方法。

request.KeepAlive = true;

request.Timeout = 400;

if (betInfor.PlayMode == PlayMode.走)

request.Referer = string.Format("{0}app/member/BK_browse/body_browse.php?uid={1}&rtype=re&langx=zh-cn&mtype=3&delay=", webURI, uID);

else if (betInfor.PlayMode == PlayMode.单)

request.Referer = string.Format("{0}app/member/BK_browse/body_browse.php?uid={1}&rtype=r&langx=zh-cn&mtype=3&delay=", webURI, uID);

request.UserAgent = "MSIE 6.0";

//******************************************异步调用

request.BeginGetRequestStream(new AsyncCallback(RequestCallBack), request);

allDone.WaitOne();

response = (HttpWebResponse)request.GetResponse();

stream = response.GetResponseStream();

Thread.Sleep(1);

StreamReader streamRead = new StreamReader(stream, big5);

result = streamRead.ReadToEnd();

stream.Close();

streamRead.Close();

//**********************************************************

//////response = request.GetResponse() as HttpWebResponse;

//////stream = response.GetResponseStream();

//////StreamReader sr = null;

//////sr = new StreamReader(stream, big5);

//////while ((count = sr.Read(leftBuffer, 0, leftBuffer.Length)) > 0)

//////{

////// String str = new String(leftBuffer, 0, count);

////// leftSb.Append(str);

//////}

//////sr.Close();

#region 提取数据

//////result = leftSb.ToString();

if (result.IndexOf("中") != -1 || betInfor.PlayMode == PlayMode.单)

{

}

#endregion

}

catch (Exception e) { throw new Exception("获取左边出现异常" + result + e.Message + "," + e.TargetSite + "," + e.InnerException); }

finally

{

if (response != null) response.Close();

if (request != null) request.Abort();

leftSb.Remove(0, leftSb.Length);

}

if (!string.IsNullOrEmpty(gmin_single) && ((int)((betInfor.Odds + 0.0001) * 1000)) % 10 == 0)//小数第3位有数字为会取消的单

{

}

else betInfor.Odds = 0;

time2 = Environment.TickCount;

betInfor.GetTime = time2 - time1;

return result;