Handling SharePoint exception in ULS log and SharePoint List

Adding log to ULS and also adding to sharepoint list

// adding log to ULS log

public class ULSLogService : SPDiagnosticsServiceBase

    {

        private static string PRODUCT_NAME = "Biraj_Blog";

        private ULSLogService() : base("Biraj Logging Service", SPFarm.Local) { }

        private static ULSLogService logSerivce;

        public static ULSLogService LogSerivce

        {

            get

            {

                if (logSerivce == null)

                {

                    logSerivce = new ULSLogService();

                }

                return logSerivce;

            }

        }

        protected override IEnumerable<SPDiagnosticsArea> ProvideAreas()

        {

            List<SPDiagnosticsArea> areas = new List<SPDiagnosticsArea>{

             new SPDiagnosticsArea(PRODUCT_NAME, new List<SPDiagnosticsCategory>{

                 new SPDiagnosticsCategory("Biraj_Info", TraceSeverity.Verbose, EventSeverity.Information),

                 new SPDiagnosticsCategory("Biraj_Error", TraceSeverity.Unexpected, EventSeverity.Warning),

             })

             };

            return areas;

        }

        public static void DisplayInfo(string ClassMethodName, Exception ex)

        {

            SPDiagnosticsCategory category = ULSLogService.LogSerivce.Areas[PRODUCT_NAME].Categories["Biraj_Info"];

            ULSLogService.LogSerivce.WriteTrace(0, category, TraceSeverity.Verbose, ClassMethodName + " \n-- " + ex.TargetSite + " \n-- " + ex.Message + " \n-- " + ex.StackTrace + " \n-- " + ex.Source + " \n-- " + ex.Data);

            Logs.AddIntoList("Info", ClassMethodName, ex);

        }

        public static void DisplayError(string ClassMethodName, Exception ex)

        {

            SPDiagnosticsCategory category = ULSLogService.LogSerivce.Areas[PRODUCT_NAME].Categories["Biraj_Error"];

            ULSLogService.LogSerivce.WriteTrace(0, category, TraceSeverity.Unexpected, ClassMethodName + " \n-- " + ex.TargetSite + " \n-- " + ex.Message + " \n-- " + ex.StackTrace + " \n-- " + ex.Source + " \n-- " + ex.Data);

            Logs.AddIntoList("Error", ClassMethodName, ex);

        }

    }

// adding log to SharePoint List

public static void AddIntoList(string Title, string ClassMethodName, Exception exception)

        {

            try

            {

                SPSecurity.RunWithElevatedPrivileges(delegate()

                {

                    using (SPSite spSite = new SPSite(SPContext.Current.Web.Url))

                    {

                        using (SPWeb spWeb = spSite.OpenWeb())

                        {                           

                            try

                            {

                                spWeb.AllowUnsafeUpdates = true;

                                SPList logsList = spWeb.Lists.TryGetList("Logs");

                                SPListItem newItem = logsList.Items.Add();

                                newItem["Title"] = Title;

                                newItem["MethodName"] = ClassMethodName;

                                newItem["TargetSite"] = exception.TargetSite;

                                newItem["Message"] = exception.Message;

                                newItem["Source"] = exception.Source;

                                newItem["StackTrace"] = exception.StackTrace;

                                newItem["Data"] = exception.Data;   

                                

                                newItem.Update();

                                spWeb.AllowUnsafeUpdates = false;

                            }

                            catch(Exception ex)

                            {

                                

                            }                           

                        }

                    }

                });

            }

            catch (Exception ex)

            {

               

               

            }

        }