/// <summary>
        /// 批量删除数据
        /// </summary>
        private void OnDelete()
        {
            string itemsAppend = hV.Value.Trim();

            if (string.IsNullOrEmpty(itemsAppend))
            {
                WebHelper.MessageBox.Messager(this.Page, lbtnPostBack, "请至少勾选一行进行操作", "错误提醒", "error");
                return;
            }

            if (bll == null)
            {
                bll = new BLL.UserPoint();
            }
            string[]      itemsAppendArr = itemsAppend.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
            List <string> list           = itemsAppendArr.ToList <string>();

            if (bll.DeleteBatch(list))
            {
                WebHelper.MessageBox.MessagerShow(this.Page, lbtnPostBack, "操作成功");
                Bind();
            }
            else
            {
                WebHelper.MessageBox.Messager(this.Page, lbtnPostBack, "操作失败", "系统提示");
            }
        }