private void Delete(object param)
{
if (SelectedBook != null)
{
BookList.Remove(SelectedBook);
_bookLibrary = BookList.ToIEnumerable <Book>();
SelectedBook = BookList.LastOrDefault();
MessageBox.Show("删除成功！", "提示");
}
}
private void Add(object param)
{
Book newBook = new Book()
{
ID = (Convert.ToInt32((from b in BookList.Cast <Book>() select b.ID).Max <string>()) + 1).ToString()
};
BookList.Add(newBook);
_bookLibrary = BookList.ToIEnumerable <Book>();
SelectedBook = newBook;
}
