private void BuyTicket ()
{
    int numBoughtTickets = 0;
    User k = ProjectionPanel.GetInstance().GetUser();


    for ( int i = 0 ; i < selectedPlaces.Length; i++ )
    {
        for ( int j = 0 ; j < selectedPlaces[i].Length; j++ )
        {
            Console.WriteLine("i: " + i + " j: " + j + " = "+selectedPlaces[i][j]);

            if ( selectedPlaces [ i ][ j ] == 1 )
            {


                Debug.WriteLine("\n BuyTicket(),  id: {0}",k.UserId);

                float price =  300 + 100 / (i+1) ;
                numBoughtTickets++;

                Ticket.SaveTicket( projection , k , price , i , j );

            }
        }
    }

    new Message ( "You have successfully bougth " + numBoughtTickets + " tickets! " ).ShowModal( this );

}