public ActionResult Delete(int id) { try { var viewModel = repository.EditGet(id); var res = repository.DeleteVisitor(id); //mail notification TimeSpan ts = viewModel.EndTime - viewModel.StartTime; eAppointment appointment = new eAppointment(); appointment.Subject = "Visit Cancel Notification"; appointment.Body = "Your visit which has been scheduled on " + viewModel.visitDetails.StartTime.ToShortDateString() + " from " + viewModel.visitDetails.StartTime.ToShortTimeString() + " to " + viewModel.visitDetails.EndTime.ToShortTimeString() + " has been cancelled."; appointment.Location = "Canarys Automation"; appointment.Duration = Convert.ToInt32(ts.TotalMinutes); DateTime dt = viewModel.VisitingDate; TimeSpan timeSpan = new TimeSpan(viewModel.StartTime.Hour, viewModel.StartTime.Minute, viewModel.StartTime.Second); viewModel.VisitingDate = viewModel.VisitingDate.Add(timeSpan); appointment.Start = Convert.ToDateTime(viewModel.VisitingDate); _context = new VisitorManagementContext(); List <string> EmailIDs = new List <string>(); if (viewModel.PrimaryParticipant != 0) { string mailid = _context.User.Where(r => r.UserID == viewModel.PrimaryParticipant).FirstOrDefault().EmailAddress; EmailIDs.Add(mailid); } if (viewModel.SecondaryParticipant != null && viewModel.SecondaryParticipant.Count > 0) { for (int i = 0; viewModel.SecondaryParticipant.Count > i; i++) { string EmailAddres = _context.User.Where(r => r.UserID == viewModel.SecondaryParticipant[i]).FirstOrDefault().EmailAddress; EmailIDs.Add(EmailAddres); } } if (viewModel.VisitArrangement != null && viewModel.VisitArrangement.Where(r => r.IsSelected == true).Count() > 0) { for (int i = 0; viewModel.VisitArrangement.Where(r => r.IsSelected == true).Count() > i; i++) { string mailid = _context.User.Where(r => r.UserID == viewModel.VisitArrangement.Where(l => l.IsSelected == true).ElementAt(i).DelegateContactID).FirstOrDefault().EmailAddress; EmailIDs.Add(mailid); } } EmailIDs.Add(viewModel.visit.EmailAddress); appointment.Email = EmailIDs.ToArray(); appointment.MeetingStatus = Microsoft.Office.Interop.Outlook.OlMeetingStatus.olMeeting; outLookEvents.OutLookEvent(appointment, true); return(Json(res)); } catch (System.Exception) { //throw ex; return(Json(false)); } }