private void AddBook(object obj)
{
Book book = Book.CreateBuilder().
SetBookName(BookName).
SetBookId(int.Parse(BookId)).
SetICBN(int.Parse(ICBN)).
SetAuthor(Author).
SetPublisher(Publisher).
SetEdition(byte.Parse(Edition)).
SetBookShelf(byte.Parse(BookShelf)).
SetRow(byte.Parse(Row)).
SetColumn(byte.Parse(Column)).
Build();
if (!_bl.TryAddBook(book, out string mess))
{
//ErrorMessage
}
//this.Close(); ??
}
