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This網站使用POST在用戶單擊日曆以更改日期時發送數據。我用Firebug來檢查它。目標網址是this。特定示例的發佈數據（空格分隔）爲LeagueID=9 GameDate=4-29-2011 Season=2010-2011 Refresh=false LastUpdateTime=01-01-1900 type=Matchups RefreshStartTime=15-5-2011-1308094688683 Week= conferenceID=。C＃中POST請求參數的問題
這裏是頭：
Host scores.covers.com
User-Agent Mozilla/5.0 (Windows NT 6.1; rv:2.0.1) Gecko/20100101 Firefox/4.0.1
Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
Accept-Language en-gb,en;q=0.5
Accept-Encoding gzip, deflate
Accept-Charset ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive 115
Connection keep-alive
Referer http://scores.covers.com/basketball-scores-matchups.aspx
Content-Length 169
Content-Type text/plain; charset=UTF-8
Cookie __loooooooooongCookieString
我想提出使用WebRequest是POST請求（或其他whetever的伎倆）。這是我的嘗試：
string parameters = "LeagueID=\"9\"&GameDate=\"4-29-2011\"&Season=\"2010-2011\"&Refresh=\"false\"&LastUpdateTime=\"01-01-1900\"&type=\"Matchups\"&RefreshStartTime=\"15-5-2011-1308094688683\"&Week=&conferenceID=";
byte[] bytes = Encoding.ASCII.GetBytes(parameters);
HttpWebRequest req = (HttpWebRequest)WebRequest.Create("http://scores.covers.com/ajax/SportsDirect.Controls.LiveScoresControls.Scoreboard,SportsDirect.Controls.LiveScoresControls.ashx?_method=UpdateScoreboard&_session=no");
req.Method = "POST";
req.ContentLength = bytes.Length;
req.ContentType = "text/plain; charset=UTF-8";
Console.WriteLine(req.ContentLength); // 175
Stream reqStream = req.GetRequestStream();
reqStream.Write(bytes, 0, bytes.Length);
reqStream.Close();
WebResponse resp = req.GetResponse();
Console.WriteLine(((HttpWebResponse)resp).StatusDescription); // OK
Stream respStream = resp.GetResponseStream();
StreamReader reader = new StreamReader(respStream);
Console.WriteLine(reader.ReadToEnd());
resp.Close();
但它不起作用。響應代碼是OK，但響應本身是這樣的：
new Object();r.error = new ajax_error('System.FormatException','Input string was
not in a correct format.\r\nCould not retreive parameters from HTTP request.',0
)new Object();r.error = new ajax_error('System.ArgumentException','Object of typ
e \'System.DBNull\' cannot be converted to type \'System.Int32\'.',0)
這是怎麼回事？由於請求的內容長度是175（而不是來自Firefox的請求的169），所以我可以看到參數有問題。