C# Exception.ToString方法代码示例

    public string traiteErreur(System.Web.UI.Page page, String msg, Exception ex)
    {
        try
        {
            File.AppendAllText(page.Server.MapPath("App_Data'\'logErreur.txt"), "ERREUR " + DateTime.Now.ToLongDateString() + "\r\n");
            File.AppendAllText(page.Server.MapPath("App_Data'\'logErreur.txt"), msg + ex.ToString());
        }
        catch
        {
            Exception ex2;
        }

        return "UNE ERREUR S'EST PRODUITE: " + ex.ToString();
    }

 /// <summary>
 /// Initializes a new instance of the <see cref="HttpError"/> class from a given <see cref="Exception"/> instance and
 /// <see cref="System.Web.HttpContext"/> instance representing the HTTP context during the exception.
 /// </summary>
 /// <param name="e">The e.</param>
 /// <param name="httpContext">The HTTP context.</param>
 public HttpError(Exception e, HttpContext httpContext)
 {
     if (e == null)
         throw new ArgumentNullException("e");
     Exception = e;
     // load the basic information.
     var baseException = e.GetBaseException();
     HostName = Environment.MachineName;
     TypeName = baseException.GetType().FullName;
     Message = baseException.Message;
     Source = baseException.Source;
     Detail = e.ToString();
     UserName = (Thread.CurrentPrincipal.Identity.Name ?? string.Empty);
     Date = DateTime.Now;
     // if this is an http exception, then get the status code and detailed html message provided by the host.
     var httpException = (e as HttpException);
     if (httpException != null)
     {
         StatusId = httpException.GetHttpCode();
         HtmlErrorMessage = (httpException.GetHtmlErrorMessage() ?? string.Empty);
     }
     // if the http context is available, then capture the collections that represent the state request.
     if (httpContext != null)
     {
         var httpRequest = httpContext.Request;
         ServerVariable = httpRequest.ServerVariables;
         QueryString = httpRequest.QueryString;
         Form = httpRequest.Form;
         Cookie = httpRequest.Cookies;
     }
 }

    /// <summary>
    /// Logs and displays the unhandled exception message.
    /// Exits the application if needed.
    /// </summary>
    /// <param name="ex">Exception that was thrown.</param>
    /// <param name="isTerminating">Indicates whether the common language runtime is terminating.</param>
    private static void HandleUnhandledException(Exception ex, bool isTerminating)
    {
        var errorHResult = System.Runtime.InteropServices.Marshal.GetHRForException(ex);
            if (errorHResult != 0)
            {
                string hexValue = string.Format("{0:x}", errorHResult);
                Log.Fatal("HResult: " + hexValue, ex);
            }
            else
            {
                Log.Fatal(ex);
            }

            try
            {
        MessageBox.Show(ex.ToString());
                Environment.Exit(0);
            }
            catch
            {
                //  re-throwing here could re-enter this handler
                //  causing a potentially endless loop
                Log.Fatal(ex);
            }
    }

    public void EmailOnException(Exception ex,string transId)
    {
        try
        {
            logger.Debug("ThrowSoapException:EmailOnException() called");

            MailMessage mail = new MailMessage();
            string TO = ((NameValueCollection)System.Configuration.ConfigurationManager.GetSection("EmailConfig"))["TO"];
            string FROM = ((NameValueCollection)System.Configuration.ConfigurationManager.GetSection("EmailConfig"))["FROM"];
            string SUBJECT = ((NameValueCollection)System.Configuration.ConfigurationManager.GetSection("EmailConfig"))["SUBJECT"];
            string DOMAIN = ((NameValueCollection)System.Configuration.ConfigurationManager.GetSection("EmailConfig"))["SMTPID"];
            string PORT = ((NameValueCollection)System.Configuration.ConfigurationManager.GetSection("EmailConfig"))["PORT"];

            SmtpClient smtp = new SmtpClient();
            smtp.Host = DOMAIN;
            smtp.Port = Convert.ToInt32(PORT);
            smtp.DeliveryMethod = SmtpDeliveryMethod.Network;
            //smtp.EnableSsl = true;
            mail.To.Add(TO);
            mail.From = new MailAddress(FROM);
            mail.Subject = SUBJECT;
            mail.Body = "An Exception Occured At Date/Time : " + System.DateTime.Now.ToString("F") + "\n" + "Transaction ID : " + transId + "\n" + "Method Name : " + ex.TargetSite.ToString() + "\n" + "Exception Desciption :" + "\n" + ex.ToString();
            smtp.Send(mail);

        }
        catch (Exception mailEx)
        {
            logger.Error(string.Format(" EmailException {0}", mailEx.Message.ToString()));
            logger.Error("ThrowSoapException:EmailOnException() returning error");
            //ThrowSoapException soapExp = new ThrowSoapException();
            //soapExp.convertToSoapException(mailEx);
        }
    }

 protected void Page_Load(object sender, EventArgs e)
 {
     System.Net.WebClient wc = new System.Net.WebClient();
     string eksemmelle = "";
     wc.Credentials = System.Net.CredentialCache.DefaultNetworkCredentials;
     try
     {
         eksemmelle = wc.DownloadString("http://www.hindu.com/rss/01hdline.xml");
     }
     catch (Exception e1)
     {
         ex = e1;
     }
     if (!string.IsNullOrEmpty(eksemmelle))
     {
         XmlDocument doc = new XmlDocument();
         doc.LoadXml(eksemmelle);
         XmlNodeList list = doc.SelectNodes("rss/channel/item");
         foreach (XmlNode node in list)
             RenderNewsItem(node.SelectSingleNode("title").InnerText, node.SelectSingleNode("link").InnerText, node.SelectSingleNode("description").InnerText, node.SelectSingleNode("pubDate").InnerText);
     }
     else
     {
         RenderNewsItem(ex.Message,ex.ToString(),ex.Message,"121212");
     }
 }

    /// <summary>
    /// 取出錯誤的相關訊息
    /// </summary>
    /// <param name="ex"></param>
    /// <param name="Source"></param>
    /// <param name="Params"></param>
    /// <returns> 取出錯誤的相關訊息</returns>
    /// <remarks> 取出錯誤的相關訊息</remarks>
    public static string GetInnerException(Exception ex, string Source, params string[] Params)
    {
        StringBuilder strMsg = new StringBuilder();
        StringBuilder strLogMsg = new StringBuilder();
        string strKey = System.DateTime.Now.ToString("yyyyMMddHHmmss") + DateTime.Now.Millisecond.ToString("000");
        string strOtherMsg = "";

        if (Params.Length > 0) {
            foreach (string s in Params) {
                strOtherMsg += ", " + s;
            }
        }

        if (strOtherMsg.Length > 2)
            strOtherMsg = strOtherMsg.Substring(2);
        strLogMsg.AppendLine(string.Format("Source:[{0}], Key={1}", Source, strKey));

        if (ex is System.Data.SqlClient.SqlException) {
            foreach (System.Data.SqlClient.SqlError er in ((System.Data.SqlClient.SqlException)ex).Errors) {
                strLogMsg.AppendLine(er.ToString());
                strMsg.AppendLine(er.Message.ToString());
            }
        } else {
            strLogMsg.AppendLine(ex.ToString());
            strMsg.AppendLine(ex.Message.ToString());
        }

        strMsg.AppendLine("(" + strKey + ")");
        if (string.IsNullOrEmpty(strOtherMsg))
            strLogMsg.AppendLine(strOtherMsg);
        //WriteLog(strLogMsg.ToString(), LogType.Error)

        return string.Format("[{0}]：{1}", Source, strMsg.ToString());
    }

    public static void WriteToLog(Exception ex, string sURL, string sUserid, string sIP, string sPageURL, cbl.Syslog.Level cllevel)
    {
        string sErrorToFile = ex.ToString() + "| " + DateTime.Now.ToString() + "| " + sUserid + "| " + sIP + "| " + sURL;

        cbl.Syslog.Client c = new cbl.Syslog.Client();
        try
        {
            string sSysLogServer = System.Configuration.ConfigurationManager.AppSettings["SysLogServer"].ToString();
            int iSysLogacility = Convert.ToInt16(System.Configuration.ConfigurationManager.AppSettings["SysLogFacility"]);

            int isyslevel = Convert.ToInt16(System.Configuration.ConfigurationManager.AppSettings["SysLogLevel"]);

            int level = (int)cllevel;

            if (level > isyslevel)
                return;

            c.HostIp = sSysLogServer;
            int facility = iSysLogacility;
            string text = sErrorToFile;

            c.Send(new cbl.Syslog.Message(facility, level, text));
        }
        catch (System.Exception ex1)
        {

        }
        finally
        {
            c.Close();
        }
    }

		/// <summary>
		/// Initializes a new instance of the <see cref="ExceptionTraceEvent"/> class.
		/// </summary>
		public ExceptionTraceEvent(TraceEventType eventType, int eventId, Exception exception)
			: base(eventType, eventId, new Lazy<string>(() => exception.Message + Environment.NewLine + exception.ToString()))
		{
			Guard.NotNull(() => exception, exception);

			this.Exception = exception;
		}

 private string getException(Exception ex)
 {
     var message = ex.ToString();
     if (ex.InnerException != null)
         message += Environment.NewLine + getException(ex.InnerException);
     return message;
 }

    static string ExceptionToString(Exception e)
    {
        string ret = e.ToString();

        while (true)
        {
            int startIndex = ret.IndexOf("[0x");
            if (startIndex < 0)
            {
                break;
            }
            else
            {
                int endIndex = ret.IndexOf(".cs:", startIndex);
                int length = endIndex - startIndex + ".cs:".Length;
                ret = ret.Remove(startIndex, length);
                ret = ret.Insert(startIndex, " Line:");
            }
        }

        ret = ret.Replace("System.Collections.Generic.", "");
        ret = ret.Replace("System.Reflection.", "");
        ret = ret.Replace("--->", "\n --->");

        return ret;
    }

 public static void LogException(Exception ex, bool emailAlso = true)
 {
     string[] logFiles = new string[]{
             ConfigurationManager.AppSettings["ExceptionLogFile"]
         };
     LogIt(emailAlso, ex.ToString(), logFiles);
 }

 public static void Log(Exception ex)
 {
     if (ex != null)
     {
         Log(ex.ToString());
     }
 }

 static void ErrorResponse(HttpListenerResponse response, Int32 status, Exception e)
 {
     response.StatusCode  = 200;
     response.ContentType = "text/plain";
     var content = Encoding.Unicode.GetBytes(e.ToString() + "\n");
     response.AppendHeader("Content-Length", content.Length.ToString());
     response.OutputStream.Write(content, 0, content.Length);
 }

 public static void Log(Exception ex)
 {
     if (ex != null)
     {
         Log(ex.ToString());
         Telemetry.TrackException(ex);
     }
 }

 private void DisplayErrorInformation(Exception exception)
 {
     if (exception != null)
     {
         lblMsg.Text = "Error";
         lblError.Text = exception.Message;
         lblErrorDetail.Text = exception.ToString();
     }
 }