public virtual List <doGetBillingDetailContinues> GetBillingDetailContinues(string contractCode, string billingOCC, string paymentStatus, string c_BILLING_TYPE_GROUP_CONTINUES)
        {
            BLDataEntities context = new BLDataEntities();

            return(context.GetBillingDetailContinues(contractCode, billingOCC, paymentStatus, c_BILLING_TYPE_GROUP_CONTINUES).ToList());
        }