public async Task InsertNotaVenta(List <Detalle> detalles) { StringLogging.Clear(); // GET VALUES LIST FROM CSV. FileSii.ReadFileSii(); FoliosNv = await InsertNv(detalles); if (FoliosNv != null && FoliosNv.Count > 0) { string nameFile = $"{UserParticipant.Name}_InsertNv_{DateTime.Now:dd-MM-yyyy-HH-mm-ss}"; StringLogging.AppendLine(""); StringLogging.AppendLine($"Summary: From {FoliosNv.Min()} To-{FoliosNv.Max()}"); SaveLogging(@"C:\Centralizador\Log\", nameFile); } else if (StringLogging.Length > 0) { string nameFile = $"{UserParticipant.Name}_InsertNv_{DateTime.Now:dd-MM-yyyy-HH-mm-ss}"; StringLogging.AppendLine(""); SaveLogging(@"C:\Centralizador\Log\", nameFile); } }