예제 #1
0
        public static List<Book> GetBooks(Boolean useDB)
        {
            try
            {
                DataTable dt;
                List<Book> temp = new List<Book>();
                // haetaan kirjoja, db-kerroksen palauttama datatable mapataan olioiksi eli tehdään orm
                if (useDB)
                {
                    dt = DBBooks.GetBooks(cs);
                }
                else
                {
                    dt = DBBooks.GetTestData();
                }

                // tehdän ORM eli DataTablen rivit muutetaan olioiksi
                Book book;
                foreach (DataRow dr in dt.Rows)
                {
                    book = new Book((int)dr[0]);
                    book.Author = dr["author"].ToString();
                    book.Name = dr["name"].ToString();
                    book.Country = dr["country"].ToString();
                    book.Year = (int)dr["year"];
                    // olio lisätään kokoelmaan
                    temp.Add(book);
                }
                return temp;
            }
            catch (Exception ex)
            {

                throw ex;
            }
        }
예제 #2
0
        public static void UpdateBook(Book book)
        {
            try
            {
                int lkm = DBBooks.UpdateBook(cs, book.Id, book.Name, book.Author, book.Country, book.Year);
            }
            catch (Exception ex)
            {

                throw ex;
            }
        }