public static IEnumerable <tbl_UserTask> GetTaskList(string appType)
        {
            DataTable dt = DALUserPermission.GetTaskList(appType);

            if (dt == null || dt.Rows.Count <= 0)
            {
                return(new List <tbl_UserTask>());
            }
            else
            {
                return(dt.Rows.Cast <DataRow>().Select(row => new tbl_UserTask(row)));
            }
        }