public static DataTable SearchTaskInfoByTaskNO(string taskNo)
        {
            //获取登陆用户信息
            UserInfoUtil userInfo = (UserInfoUtil)SessionUtil.Session["UserInfo"];
            //获取公司代码
            string companyCD = userInfo.CompanyCD;

            //执行查询
            return(PerformanceTaskDBHelper.SearchTaskInfoByTaskNO(companyCD, taskNo));
        }