public virtual List <BillingTypeDetail> GetBillingTypeDetailContinues(string contractCode, string billingOCC, string c_BILLING_TYPE_GROUP_CONTINUES)
        {
            BLDataEntities context = new BLDataEntities();

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