//Get the details of a particular AirlineOverride
 public AirlineOverride GetAirlineOverrideData(int id)
 {
     try
     {
         AirlineOverride airlineoverride = db.AirlineOverride.Find(id);
         return(airlineoverride);
     }
     catch
     {
         throw;
     }
 }
 //To Add new Airlineoverride record
 public int AddAirlineOverride(AirlineOverride airlineoverride)
 {
     try
     {
         db.AirlineOverride.Add(airlineoverride);
         db.SaveChanges();
         return(1);
     }
     catch
     {
         throw;
     }
 }
        //To Update the records of a particular AirlineOverride
        public int UpdateAirlineOverride(AirlineOverride airlineoverride)
        {
            try
            {
                db.Entry(airlineoverride).State = EntityState.Modified;
                db.SaveChanges();

                return(1);
            }
            catch
            {
                throw;
            }
        }