private void Btn_borrow_book_Click(object sender, RoutedEventArgs e)
{
if (LBx_book.SelectedItem == null)
{
MessageBox.Show("Please select a book to be borrowed...");
return;
}
Book book = LBx_book.SelectedItem as Book;
if (book.isAvailable.Equals("No"))
{
MessageBox.Show("The selected book is not available for borrowing...");
return;
}
Borrow borrowWin = new Borrow(book);
borrowWin.Owner = this;
borrowWin.Show();
}
private void 借书ToolStripMenuItem_Click(object sender, EventArgs e)
{
Borrow br = new Borrow();
br.Show();
}