public void Update(long PaymentID,long TestID)
        {
            TblPaymentDetail item = new TblPaymentDetail();
            item.MarkOld();
            item.IsLoaded = true;

            item.PaymentID = PaymentID;

            item.TestID = TestID;

            item.Save(UserName);
        }
        public void Insert(long PaymentID,long TestID)
        {
            TblPaymentDetail item = new TblPaymentDetail();

            item.PaymentID = PaymentID;

            item.TestID = TestID;

            item.Save(UserName);
        }