public List <PaymentBDO> GetALlStudentsPayments(string studentID) { List <PaymentBDO> paymentBDO = new List <PaymentBDO>(); foreach (PaymentBDO p in pDAO.GetAllStudentsPayments(studentID)) { p.PaymentDetails = GetAllPaymentDetails(p.ORNo); paymentBDO.Add(p); } return(paymentBDO); }