public static ProductInvoice_MasterCollection GetAll()
        {
            ProductInvoice_MasterCollection obj = new ProductInvoice_MasterCollection();

            obj.MapObjects(new ProductInvoice_MasterDataService().ProductInvoice_Master_GetAll());
            return(obj);
        }
        public static ProductInvoice_MasterCollection GetByBILL_ID(int BILL_ID)
        {
            ProductInvoice_MasterCollection obj = new ProductInvoice_MasterCollection();

            obj.MapObjects(new ProductInvoice_MasterDataService().ProductInvoice_Master_GetByBILL_ID(BILL_ID));
            return(obj);
        }