HTTP 400錯誤

發送請求時出現400錯誤，錯誤代碼為：webResponse = (HttpWebResponse)webRequest.GetResponse();

解決辦法：拋出異常

HttpWebResponse webResponse;
            try
            {
               
                webResponse = (HttpWebResponse)webRequest.GetResponse();   //請求頁面信息
            }
            catch (WebException ex)
            {
                webResponse = (HttpWebResponse)ex.Response;   //獲得錯誤發生時候伺服器段錯誤頁面的源代碼
            }