public static void GuardarLogHistorialClientes(Carrito carrito, string impuestoIVA) { string path = Environment.GetFolderPath(Environment.SpecialFolder.Desktop); path += "\\log.txt"; StreamWriter writer; if (!(File.Exists(path))) { writer = new StreamWriter(path, true); writer.WriteLine("Fecha y Hora; Codigo; Descripcion; Cantidad; Precio; CostoFinal"); } else { writer = new StreamWriter(path, true); } writer.Write(carrito.GenerarLogDeCompra(impuestoIVA)); writer.Close(); }