How To Write Exception error In Sharepoint Log File

Add Microsoft.Office.Server dll in your project, you can find this dll under “\Common Files\Microsoft Shared\Web Server Extensions\12\ISAPI\”.

The log files are found under \Common Files\Microsoft Shared\Web Server Extensions\12\Log\. Following line of code is used to write exception in sharepoint default log file.

Microsoft.Office.Server.Diagnostic.PortalLog.LogString(“Exception – {0} – {1} – {2}”,”Log Message”,ex.Message,ex.StackTrace);