static void Main(string[] args) { LoggingSettings.ConsoleLogInit(); LoggingSettings.WriteLogToFileInit("logfile.txt", LogLevel.Error); LoggingSettings.WriteLogToSqlDatabaseInit(@"Data Source=localhost;Initial Catalog=Logging;Integrated Security=True;", LogLevel.Error); WriteLog.Info("HOGE", "ConsoleApplication", "Main"); WriteLog.Trace("FUGA", "ConsoleApplication", "Main"); try { var a = 0; var b = 0; var c = a / b; } catch (Exception e) { WriteLog.Error("FUGA", "ConsoleApplication", "Main", e); } Console.WriteLine("HelloWorld"); using (var db = new LoggingContext()) { var d = db.LoggingTable.Select(x => new { x.Id, x.Application }); var list = d.ToList(); } }