//***********CarRentalDataAccessLib********************************* public DataTable GetCarRentalSchedule(string travel_type, string Source_city, string Destination_city, string travel_mode) { try { DALSchedule obj = new DALSchedule(); DataTable dt = obj.GetCarRentalSchedule(travel_type, Source_city, Destination_city, travel_mode); return(dt); } catch (Exception) { throw; } }