public virtual List <doGetBillingDetailForCancel> GetBillingDetailForCancel(string contractCode, string billingOCC, string paymentStatus, string c_CURRENCY_LOCAL, string c_CURRENCY_US)
        {
            BLDataEntities context = new BLDataEntities();

            return(context.GetBillingDetailForCancel(contractCode, billingOCC, paymentStatus, c_CURRENCY_LOCAL, c_CURRENCY_US).ToList());
        }