private static void InputBookAuthor()
{
Console.WriteLine("nhap so tac gia can them : ");
int n = int.Parse(Console.ReadLine());
for (int i = 0; i < n; i++)
{
BookAuthor bookAuthor = new BookAuthor();
bookAuthor.InputBookAuthor(listAuthor);
listAuthor.Add(bookAuthor);
}
}
private static void InputBook()
{
Console.WriteLine("nhap cuon so sach can them : ");
int n = int.Parse(Console.ReadLine());
for (int k = 0; k < n; k++)
{
Book book = new Book();
book.InputBook(listAuthor);
Boolean timkiem = false;
// kiem tra xem tac gia da ton tai hay chua
for (int j = 0; j < listAuthor.Count; j++)
{
if (listAuthor[j].Pseudonym.Equals(book.Pseudonym))
{
timkiem = true;
break;
}
}
// chua ton tai tao ms
if (!timkiem)
{
Console.WriteLine("nhap thong tin tac gia ........");
BookAuthor author = new BookAuthor();
author.InputAuthor();
//luu thong ti tac gia
listAuthor.Add(author);
}
listBook.Add(book);
}
}