Writing to the ULS in SharePoint 2010
Here’s a quick, easy, 3 step method to log your custom events to the ULS while writing a SharePoint 2010 solution: Add a reference to Microsoft.Office.Server (located in C:Program FilesCommon FilesMicrosoft SharedWeb Server Extensions14ISAPI on your SharePoint server) Add a using statement at the top of your code like so: using Microsoft.Office.Server.Diagnostics; Add the following line wherever you want the message to appear in the ULS PortalLog.LogString(<whatever you want to put in the ULS>) See? That wasn’t so bad!