How To Create Error Log Text File In Asp.net
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up how to save exception in txt file? up vote 5 down vote favorite 1 public DataTable InsertItemDetails(FeedRetailPL objFeedRetPL) { DataTable GetListID = new DataTable(); try { SqlParameter[] arParams = new SqlParameter[4]; arParams[0] = new SqlParameter("@Date", typeof(DateTime)); arParams[0].Value = objFeedRetPL.requestdate; } catch (Exception ex) { string dir = @"C:\Error.txt"; // folder location if (!Directory.Exists(dir)) { Directory.CreateDirectory(dir); File.AppendAllText(Server.MapPath("~/Error.txt"), "Message :" + ex.Message + "
" + Environment.NewLine + "StackTrace :" + ex.StackTrace + "" + Environment.NewLine + "Date :" + DateTime.Now.ToString()); string New = Environment.NewLine + "-----------------------------------------------------------------------------" + Environment.NewLine; File.AppendAllText(Server.MapPath("~/Error.txt"), New); } } } Here, I want to save an Exception in "C:\" ..I am trying In DAL... How to save the Exception In C drive Error.txt c# asp.net c#-4.0 exception try-catch share|improve this question edited Feb 14 '14 at 13:33 ekad 9,745112736 asked Jan 23 '14 at 12:11 Sambasiva 4721723 What error do you get from this code? –Steve Jan 23 '14 at 12:13 Use Log4Net for logging. –hkutluay Jan 23 '14 at 12:14 How to save the exception in Txt file...what i do? –Sambasiva Jan 23 '14 at 12:17 1 You don't need to check first if the Directory.Exists, you can use Directory.CreateDirectory(dir); directly since it will only create it if it does not already exist. –Tim Schmelter Jan 23 '14 at 12:26 add a comment| 1 Answer 1 active oldest votes up vote 28 down vote accepted Since you want to save the exception to C:\Error.txt, you don't need Directory.Exists, Directory.CreateDirectory, or Server.MapPath("~/Error.txt"). You can simply use StreamWriter like this: string filePath = @"C:\Error.txt"; using (StreamWriter writer = new StreamWriter(filePath, true)) { writer.WriteLine("Message :" + ex.Mes
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Install by Heath Stewart Application Lifecycle Management Application Insights Release Management Team Foundation Server Testing https://blogs.msdn.microsoft.com/csharpfaq/2006/03/27/how-can-i-easily-log-a-message-to-a-file-for-debugging-purposes/ Visual Studio Team Services All Languages Visual C++ Visual F# JavaScript http://www.c-sharpcorner.com/uploadfile/b19d5a/exception-error-handling-log-maintenance-in-a-text-file-part-1/ TypeScript Python .NET .NET .NET with Beth Massi ASP.NET by Scott Hanselman OData Team WPF Platform Development Apps for Windows Bing Edge Microsoft Azure Office 365 Development Web Data Development SQL Server SQL Server Data Tools DocumentDB C# Frequently Asked Questions how to The C# team posts answers to common questions and describes new language features How can I easily log a message to a file for debugging purposes? ★★★★★★★★★★★★★★★ March 27, 2006August 5, 2015 by CSharpFAQ // 13 Comments 0 0 0 Often, you need a way to monitor your applications once they how to create are running on the server or even at the customer site -- away from your Visual Studio debugger. In those situations, it is often helpful to have a simple routine that you can use to log messages to a text file for later analysis. Here’s a simple routine that has helped me a lot for example when writing server applications without an user interface: using System.IO; public string GetTempPath() { string path = System.Environment.GetEnvironmentVariable("TEMP"); if (!path.EndsWith("\\")) path += "\\"; return path; } public void LogMessageToFile(string msg) { System.IO.StreamWriter sw = System.IO.File.AppendText( GetTempPath() + "My Log File.txt"); try { string logLine = System.String.Format( "{0:G}: {1}.", System.DateTime.Now, msg); sw.WriteLine(logLine); } finally { sw.Close(); } } With this simple method, all you need to do is to pass in a string like this: LogMessageToFile("Hello, World"); The current date and time are automatically inserted to the log file along with your message. [author: Jani Järvinen, C# MVP
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