MySqlConnection DBConnection = new MySqlConnection("server=*;port=3306;username=*;Password=*;Database=*;sslmode=none");
        DBConnection.Open();
        MySqlCommand CMD = new MySqlCommand("select * from Movies order by ID desc limit 3", DBConnection);
        MySqlDataReader Reader = CMD.ExecuteReader();
        while(Reader.Read())
        {
            ID1 = Reader.GetInt32(0);
            ID2 = ID1 - 1;
            ID3 = ID2 - 1;
            ID4 = ID3 - 1;

            Reader.Close();

            for (int i = 1; i <= 3; i++)
            {
                MySqlCommand Post1CMD = new MySqlCommand("select * from Movies where ID =" + i, DBConnection);
                MySqlDataReader PostReader = Post1CMD.ExecuteReader();
                if (PostReader.Read())
                {
                    MessageBox.Show(PostReader.GetString(1));
                }
            }
        }