Error Log File In Vb.net
resources Windows Server 2012 resources Programs MSDN subscriptions Overview Benefits Administrators Students Microsoft Imagine Microsoft Student Partners ISV Startups TechRewards Events Community Magazine Forums Blogs Channel 9 Documentation APIs and reference Dev centers Retired content Samples We’re sorry. The content you requested has been removed. You’ll be auto redirected in 1 second. Developing Applications with Visual Basic Programming in Visual Basic Logging Information from the Application Logging Information from the Application How to: Log Exceptions How to: Log Exceptions How to: Log Exceptions How to: Write Log Messages How to: Log Exceptions How to: Log Messages When the Application Starts or Shuts Down How to: Write to an Application Event Log How to: Write Event Information to a Text File Working with Application Logs Walkthrough: Determining Where My.Application.Log Writes Information Walkthrough: Changing Where My.Application.Log Writes Information Walkthrough: Filtering My.Application.Log Output Walkthrough: Creating Custom Log Listeners Troubleshooting: Log Listeners TOC Collapse the table of content Expand the table of content This documentation is archived and is not being maintained. This documentation is archived and is not being maintained. How to: Log Exceptions in Visual Basic Visual Studio 2015 Other Versions Visual Studio 2013 Visual Studio 2012 Visual Studio 2010 Visual Studio 2008 Visual Studio 2005 You can use the My.Application.Log and My.Log objects to log information about exceptions that occur in your application. These examples show how to use the My.Application.Log.WriteException method to log exceptions that you catch explicitly and exceptions that are unhandled.For logging tracing information, use the My.Application.Log.WriteEntry method. For more information, see WriteEntryTo log a handled exceptionCreate the method that will generate the exception information. VB Copy Public Sub ExceptionLogTest(ByVal fileName As String) End Sub Use a Try...Catch block to catch the exception. VB Copy Try Catch ex As Exception End Try Put the code that could generate an exception in the Try block. Uncomment the Dim and MsgBox lines to cause a NullReferenceException exception. VB Copy ' Code that might generate an excepti
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 log Catch exception to a text https://msdn.microsoft.com/en-us/library/f9shkfdd.aspx file up vote 0 down vote favorite I have a vb.net program that runs a Try Catch. What i'd like to have happen, if there is an exception is have it log that exception to a text file. I have: Catch ex As Exception MsgBox(ex.Message) My.Application.Log.WriteException(ex, TraceEventType.Error, "Exception " & "with argument " & "C:\Log.txt" & ".") End Try But it's not sending the exception to the logfile. http://stackoverflow.com/questions/24017860/how-to-log-catch-exception-to-a-text-file What am I missing? vb.net try-catch share|improve this question asked Jun 3 '14 at 14:30 Shmewnix 43871739 1 While not an answer to your question, you should look into Elmah for error logging. asp.net/web-forms/tutorials/deployment/… –MiniRagnarok Jun 3 '14 at 14:32 i wouldn't know. i wrote my own logging class. also, you could be missing this: msdn.microsoft.com/en-us/library/yhx0xwks.aspx –porkchop Jun 3 '14 at 14:34 you probably do not have access to write to "C:\" change to a temp folder or a Users folder –Plutonix Jun 3 '14 at 16:04 add a comment| 1 Answer 1 active oldest votes up vote 1 down vote I think the example here: http://msdn.microsoft.com/en-us/library/dsxzceby(v=vs.90).aspx might have mislead you a bit. I find it a bit odd. I think this is probably better: Public Sub SomeMethodWhichMightGenerateException(byval someArg as String) Try ' Code that might generate an exception goes here. ' For example: ' Dim x As Object ' MsgBox(x.ToString) Catch ex As Exception My.Application.Log.WriteException(ex, _ TraceEventType.Error, _ "Exception with argument " & someArg & ".") End Try End Sub fileName is just a random variable in the msdn example and nothing to to do with where the Exception is logged... Look here
log in C#/VB.NET Stefaan Alleweireldt SubscribeSubscribedUnsubscribe00 Loading... Loading... Working... Add to Want to watch this again later? https://www.youtube.com/watch?v=t6GP0tUoAns Sign in to add this video to a playlist. https://www.daniweb.com/programming/software-development/threads/405719/how-to-create-log-reports-in-vb-net Sign in Share More Report Need to report the video? Sign in to report inappropriate content. Sign in Statistics 721 views 2 Like this video? Sign in to make your opinion count. Sign in 3 0 Don't error log like this video? Sign in to make your opinion count. Sign in 1 Loading... Loading... Loading... Rating is available when the video has been rented. This feature is not available right now. Please try again later. Published on Oct 12, 2015In this example you can see error log file how to log your application errors.For questions mail to stefworldprogramming@outlook.comExample code:C#public static void WriteErrorLog(string strErrorText){try{//DECLARE THE FILENAME FROM THE ERROR LOGstring strFileName = "errorLog.txt";/*DECLARE THE FOLDER WHERE THE LOGFILE HAS TO BE STORED, IN THIS EXAMPLE WE CHOSE THE PATH OF THE CURRENT APPLICATION*/string strPath = Application.StartupPath;//WRITE THE ERROR TEXT AND THE CURRENT DATE-TIME TO THE ERROR FILESystem.IO.File.AppendAllText(strPath + "\\" + strFileName, strErrorText + " - " + DateTime.Now.ToString() + "\r\n");}catch (Exception ex){WriteErrorLog("Error in WriteErrorLog: " + ex.Message);}}VB.NETPrivate Sub WriteErrorLog(strErrorText As String)Try'DECLARE THE FILENAME FROM THE ERROR LOGDim strFileName As String = "errorLog.txt"'DECLARE THE FOLDER WHERE THE LOGFILE HAS TO BE STORED, 'IN THIS EXAMPLE WE CHOSE THE PATH OF THE CURRENT APPLICATIONDim strPath As String = Application.StartupPath'WRITE THE ERROR TEXT AND THE CURRENT DATE-TIME TO THE ERROR FILESystem.IO.File.AppendAllText((strPath & Convert.ToString("\")) & strFileName, (strErrorText & Convert.ToString("
i create a log file on vb.net, what libraries should i need for this to work,. thanks create file log vb.net jbutardo -2 74 posts since Jan 2012 Community Member 2Contributors 10Replies 25Views 4 YearsDiscussion Span 4 Years Ago Last Post by jbutardo 0 Reverend Jim 1,235 4 Years Ago If you just want a simple text file then you only require simple text output (make sure you open the log file in append mode). I have a suggestion that should be obvious but wasn't to some of our in-house developers. Make sure every line that you write to the log file begins with the date and time in the format YYYY/MM/DD HH:MM:SS or YYYY-MM-DD HH:MM:SS Where all fields are zero padded (eg use 03 for March instead of just 3) and the time is in 24 hour format. It makes it much easier to correlate events when you are troubleshooting and looking at logs from other apps (or system). One developer in particular would write out the date and time once in long format, then spew out 50-60 lines of information. It was difficult trying to find the start of each block and impossible to determine exactly when each piece of the block was generated. And trying to compare "September 12, 2007 9:53:17 PM" from his log to "2007-09-12 21:53:17" in another was not pleasant. 0 Discussion Starter jbutardo -2 4 Years Ago If you just want a simple text file then you only require simple text output (make sure you open the log file in append mode). I have a suggestion that should be obvious but wasn't to some of our in-house developers. Make sure every line that you write to the log file begins with the date and time in the format YYYY/MM/DD HH:MM:SS or YYYY-MM-DD HH:MM:SS Where all fields are zero padded (eg use 03 for March instead of just 3) and the time is in 24 hour format. It makes it much easier to correlate events when you are troubleshooting and looking at logs from other apps (or system). One developer in particular would write out the date and