public class GeneralLoggingHelper
    {
        public static void writeElmahLog(Exception ex)
        {
            string MemberName = "unknown";
            if (HttpContext.Current != null)
                if (MemberHelper.MemberHelperC.isLogin())
                    MemberName = MemberHelper.MemberHelperC.getUserFullName() + "-" + MemberHelper.MemberHelperC.getUserID() + "-";
            Elmah.Error err = new Elmah.Error(ex);
            err.Detail += @"n\ User: " + MemberName;

            Elmah.ErrorLog.GetDefault(HttpContext.Current).Log(err);
        }

        public static void writeElmahLog(Exception ex, string detail)
        {
            Elmah.Error m_Error = new Elmah.Error(ex);
            m_Error.Detail = m_Error.Detail + "\n" + detail;
            Elmah.ErrorLog.GetDefault(HttpContext.Current).Log(m_Error);
        }
    }