public string UpdateAppointmentInOutlook(AppointmentEntity appointmentEntity) { Trace.TraceInformation("UpdateAppointmentInOutlook"); if (!InitializeHelpers()) { return("Initialize helpers fail"); } appointmentEntity.OutlookId = crmHelper.GetOutlookId(appointmentEntity); exchangeHelper.UpdateOutlookAppointment(appointmentEntity); //crmHelper.UpdateCrmAppointment(appointmentEntity); return("Update appointment success"); }