/// <summary>

        /// 锁定和解锁项目任务

        /// </summary>

        /// <param name="projectuid">项目UID</param>

        /// <param name="islock">是否锁定</param>

        /// <returns></returns>

        public bool CloseProjectTask(Guid projectuid, bool islock)

        {

            try

            {

                QueueSystemUtils queuesystemutils = new QueueSystemUtils();

                ProjectDataSet dst = GetProjectByUid(projectuid);

                StatusingWebSvc.ProjectDataSet statusing_pro_dst = new StatusingWebSvc.ProjectDataSet();

                foreach (ProjectWebSvc.ProjectDataSet.TaskRow taskrow in dst.Task)

                {

                    if (taskrow.TASK_LOCKDOWN_BY_MANAGER != islock)

                    {

                        taskrow.TASK_LOCKDOWN_BY_MANAGER = islock;

                        statusing_pro_dst.Task.ImportRow(taskrow);

                    }

                }

                if (statusing_pro_dst.Task.Count > )

                {

                    int temp = ;

                    int total_update_count = ;

                    int totalcount = statusing_pro_dst.Task.Count;

                    StatusingWebSvc.ProjectDataSet statusing_pro_dst_update = new StatusingWebSvc.ProjectDataSet();

                    foreach (StatusingWebSvc.ProjectDataSet.TaskRow item in statusing_pro_dst.Task)

                    {

                        temp++;

                        total_update_count++;

                        statusing_pro_dst_update.Task.ImportRow(item);

                        if (total_update_count >=  || temp >= totalcount)

                        {

                            Guid jobuid = Guid.NewGuid();

                            StatusingClient.QueueLockDownTasks(jobuid, projectuid, statusing_pro_dst_update);

                            queuesystemutils.WaitForQueue(jobuid);

                            total_update_count = ;

                            statusing_pro_dst_update = new StatusingWebSvc.ProjectDataSet();

                        }

                    }

                }

                return true;

            }

            catch (Exception ex)

            {

                new LogHelper().WriteLine(ex.ToString());

                return false;

            }

        }