1: string username = Me.Page.User.Identity.Name
2: string username = System.Environment.UserName()

1: string pagename = Me.Page.GetType().Name()
2: string pagename = Request.Path.Substring(Request.ApplicationPath.Length + 1)

1: string functionname = System.Reflection.MethodBase.GetCurrentMethod().Name

1: string formname = Request.Path.Substring(Request.Path.LastIndexOf(“/”)+1);