public decimal?CalInvoiceServicePrice(int RoomID) { HotelManagementDataContext db = new HotelManagementDataContext(); return(db.fn_ServicePrice(RoomID)); }
public decimal?CalInvoiceServicePrice(int RoomID) { HotelManagementDataContext db = new HotelManagementDataContext(); return(db.fn_ServicePrice(RoomID)); }