public string UpdateTaskInOutlook(TaskEntity taskEntity) { Trace.TraceInformation("Update task in outlook"); if (!InitializeHelpers()) { return("Initialize helpers fail"); } string outlookTaskId = crmHelper.GetOutlookId(taskEntity); if (taskEntity.NewTaskOwnerId == Guid.Empty) { taskEntity.OutlookId = outlookTaskId; exchangeHelper.UpdateOutlookTask(taskEntity); //if(crmHelper.IsTaskNeedUpdate(taskEntity)) //crmHelper.UpdateCrmTask(taskEntity); } else { string newOwnerMail = crmHelper.GetUserMailByGuid(taskEntity.NewTaskOwnerId); string newOutlookTaskId = exchangeHelper.CreateNewOutlookTask(taskEntity, newOwnerMail); string oldOutlookIdForDelete = outlookTaskId; taskEntity.OutlookId = newOutlookTaskId; //if(crmHelper.IsTaskNeedUpdate(taskEntity)) //crmHelper.UpdateCrmTask(taskEntity); exchangeHelper.DeleteOutlookTaskById(oldOutlookIdForDelete); } return("Update success"); }