static void AddBook()
{
TryBook book = new TryBook();
Console.Write("Pleae enter ISBN: ");
book.ISBN = int.Parse(Console.ReadLine());
Console.Write("Please enter Book Title: ");
book.Title = Console.ReadLine();
Console.Write("Please name of Author of the Book: ");
book.Author = Console.ReadLine();
Console.Write("Please enter price of Book: ");
book.Price = double.Parse(Console.ReadLine());
if (!CompareBook(book))
{
BookList.Add(book);
Console.WriteLine("Book has been added");
Console.WriteLine();
}
else
{
Console.WriteLine("Book already exists");
}
}
static string BookFound()
{
int isbn;
bool found = false;
TryBook book1 = new TryBook();
Console.Write("Please enter book ISBN: ");
isbn = Convert.ToInt32(Console.ReadLine());
foreach (TryBook book in BookList)
{
if (book.ISBN == isbn)
{
book1 = book;
found = true;
}
}
if (found)
{
return(book1.ToString());
}
else
{
return("Book not found");
}
}
static bool CompareBook(TryBook book)
{
bool found = false;
foreach (TryBook book1 in BookList)
{
if (book.ISBN == book1.ISBN)
{
found = true;
}
}
return(found);
}
