Example #1
0
        /// <summary>
        /// How to delete Objects
        /// </summary>
        public void Step13()
        {
            ODB odb = null;

            try {
                // Open the database
                odb = ODBFactory.Open(ODB_NAME);
                IQuery queryAll = new CriteriaQuery(typeof(Player));
                IQuery query    = new CriteriaQuery(typeof(Player), Where.Like("name", "%Agassi"));

                Objects <Player> players = odb.GetObjects <Player>(queryAll);
                players = odb.GetObjects <Player>(query);

                // Gets the first player (there is only one!)
                Player agassi = players.GetFirst();

                odb.Delete(agassi);

                odb.Close();

                odb = ODBFactory.Open(ODB_NAME);
                // Now query the databas eto check the change
                players = odb.GetObjects <Player>();

                Console.WriteLine("\nStep 13 : Deleting Agassi");

                int i = 1;
                // display each object
                while (players.HasNext())
                {
                    Console.WriteLine((i++) + "\t: " + players.Next());
                }
            } finally {
                if (odb != null)
                {
                    // Close the database
                    odb.Close();
                }
            }
        }