Exemple #1
0
 public static Book getBook(int bookId)
 {
     Book b = new Book();
     String sql = "select * from books where book_id = @bookId";
     MySqlConnection cnn = new MySqlConnection(SystemClasses.connString);
     MySqlCommand cmd = new MySqlCommand(sql, cnn);
     cmd.Parameters.AddWithValue("@bookId", bookId);
     cnn.Open();
     MySqlDataReader reader = cmd.ExecuteReader();
     while (reader.Read()) {
         b.bookName = reader["book_name"].ToString();
         b.authorId = int.Parse(reader["author_id"].ToString());
         b.authorName = Author.getAuthorName(b.authorId);
         b.bookIsbn = reader["book_isbn"].ToString();
         b.publisherId = int.Parse(reader["publisher_id"].ToString());
         b.publisherName = Publisher.getPublisherName(b.publisherId);
         b.bookIndex = reader["book_index"].ToString();
         b.bookNotes = reader["book_notes"].ToString();
         b.isDigitized = int.Parse(reader["is_digitized"].ToString());
     }
     cnn.Close();
     return b;
 }
Exemple #2
0
        public static List<Book> listBooks()
        {
            List<Book> books = new List<Book>();

            String sql = "select * from books order by author_id";
            MySqlConnection cnn = new MySqlConnection(SystemClasses.connString);
            MySqlCommand cmd = new MySqlCommand(sql, cnn);
            cnn.Open();
            MySqlDataReader reader = cmd.ExecuteReader();
            int i = 1;
            while (reader.Read()) {
                Book b = new Book();
                b.bookId = int.Parse(reader["book_id"].ToString());
                b.bookName = reader["book_name"].ToString();
                b.authorId = int.Parse(reader["author_id"].ToString());
                b.authorName = Author.getAuthorName(b.authorId);
                b.bookIsbn = reader["book_isbn"].ToString();
                b.publisherId = int.Parse(reader["publisher_id"].ToString());
                b.publisherName = Publisher.getPublisherName(b.publisherId);
                b.bookIndex = reader["book_index"].ToString();
                b.bookNotes = reader["book_notes"].ToString();
                b.isDigitized = int.Parse(reader["is_digitized"].ToString());
                b.orderNumber = i++;
                books.Add(b);
            }
            cnn.Close();

            return books;
        }