/// <summary>
        /// 删除用户的上级
        /// </summary>
        public void RemoveParent(IOrganizationService service,Guid userId)
        {
            RemoveParentRequest removeRequest = new RemoveParentRequest();
            removeRequest.Target = new EntityReference() { LogicalName = "systemuser", Id = userId };
            service.Execute(removeRequest);
        }

        /// <summary>
        /// 设置用户的业务部门
        /// </summary>
        /// <param name="service">服务</param>
        /// <param name="userId">用户Id</param>
        /// <param name="businessId">部门Id</param>
        public void SetUserBusiness(IOrganizationService service, Guid userId,Guid businessId)
        {
            //更改用户的业务部门，会重置角色
            SetBusinessSystemUserRequest request = new SetBusinessSystemUserRequest();
            request.BusinessId = businessId;
            request.UserId = userId;
            //安全角色
            request.ReassignPrincipal = new EntityReference() { LogicalName = "role",Id = Guid.NewGuid() };
            service.Execute(request);
        }

        /// <summary>
        /// 设置用户的上级
        /// </summary>
        /// <param name="service">服务</param>
        /// <param name="userId">用户</param>
        /// <param name="parentId">上级</param>
        public void SetUserParent(IOrganizationService service,Guid userId,Guid parentId)
        {
            SetParentSystemUserRequest request = new SetParentSystemUserRequest();
            //当前用户
            request.UserId = userId;
            //上级
            request.ParentId = parentId;
            //是否保存子用户
            request.KeepChildUsers = true;

            service.Execute(request);
        }