/*method return the list of customer accounts according to starting and ending date of transactions*/
        public List <Transaction_BO> byDate(DateTime s_date, DateTime e_date)
        {
            s_date = s_date.Date;
            e_date = e_date.Date;
            Administrator_DAL     administrator_DAL = new Administrator_DAL();
            List <Transaction_BO> list        = administrator_DAL.getTransactionList();
            List <Transaction_BO> listmatched = new List <Transaction_BO>();

            if (list != null)
            {
                foreach (Transaction_BO obj in list)
                {
                    var date1 = obj.date.Date;
                    if (date1 >= s_date && date1 <= e_date)
                    {
                        listmatched.Add(obj);
                    }
                }
            }
            if (list == null)
            {
                listmatched = null;
            }
            return(listmatched);
        }