public bool AddUser(AeroplaneDetail aeroplanedetail)
        {
            conn.Open();
            string     query = String.Format("INSERT INTO Aeroplane_Details VALUES ('{0}','{1}','{2}','{3}','{4}')", aeroplanedetail.PlaneID, aeroplanedetail.PlaneName, aeroplanedetail.FlightNumber, aeroplanedetail.Source, aeroplanedetail.Destination);
            SqlCommand cmd   = new SqlCommand(query, conn);
            int        r     = cmd.ExecuteNonQuery();

            conn.Close();
            if (r > 0)
            {
                return(true);
            }
            return(false);
        }
        public bool UpdateUser(AeroplaneDetail aeroplanedetail)
        //public bool UpdateUser(AeroplaneDetail aeroplanedetail)
        {
            //conn.Open();
            string     query = "UPDATE Aeroplane_Details SET PlaneName=@PlaneName WHERE PlaneID=@PlaneID";
            SqlCommand cmd   = new SqlCommand(query, conn);


            cmd.Parameters.AddWithValue("@PlaneName", aeroplanedetail.PlaneID);
            cmd.Parameters.AddWithValue("@PlaneID", aeroplanedetail.PlaneName);
            conn.Open();
            int r = cmd.ExecuteNonQuery();

            conn.Close();
            if (r > 0)
            {
                return(true);
            }
            return(false);
        }
        public AeroplaneDetail GetUser(string PlaneID)
        {
            conn.Open();
            string          query           = string.Format("SELECT * FROM Aeroplane_Details WHERE PlaneID='{0}'", PlaneID);
            SqlCommand      cmd             = new SqlCommand(query, conn);
            SqlDataReader   reader          = cmd.ExecuteReader();
            AeroplaneDetail aeroplanedetail = null;

            while (reader.Read())
            {
                aeroplanedetail              = new AeroplaneDetail();
                aeroplanedetail.PlaneID      = reader.GetString(reader.GetOrdinal("PlaneID"));
                aeroplanedetail.PlaneName    = reader.GetString(reader.GetOrdinal("PlaneName"));
                aeroplanedetail.FlightNumber = reader.GetString(reader.GetOrdinal("FlightNumber"));
                aeroplanedetail.Source       = reader.GetString(reader.GetOrdinal("Source"));
                aeroplanedetail.Destination  = reader.GetString(reader.GetOrdinal("Destination"));
            }
            conn.Close();
            return(aeroplanedetail);
        }
        public ArrayList GetAllUsers()
        {
            ArrayList aeroplanedetails = new ArrayList();

            conn.Open();
            string        query  = "SELECT * FROM Aeroplane_Details";
            SqlCommand    cmd    = new SqlCommand(query, conn);
            SqlDataReader reader = cmd.ExecuteReader();

            while (reader.Read())
            {
                AeroplaneDetail aeroplanedetail = new AeroplaneDetail();
                aeroplanedetail              = new AeroplaneDetail();
                aeroplanedetail.PlaneID      = reader.GetString(reader.GetOrdinal("PlaneID"));
                aeroplanedetail.PlaneName    = reader.GetString(reader.GetOrdinal("PlaneName"));
                aeroplanedetail.FlightNumber = reader.GetString(reader.GetOrdinal("FlightNumber"));
                aeroplanedetail.Source       = reader.GetString(reader.GetOrdinal("Source"));
                aeroplanedetail.Destination  = reader.GetString(reader.GetOrdinal("Destination"));
                aeroplanedetails.Add(aeroplanedetail);
            }
            conn.Close();
            return(aeroplanedetails);
        }