private void button1_Click(object sender, EventArgs e)
{
if (Convert.ToInt32(lblID.Text) <= 0)
{
MessageBox.Show("Please Choose One Book");
return;
}
if (libraryApp.RemoveBook(Convert.ToInt32(lblID.Text)))
{
MessageBox.Show("Delete Success");
lblID.Text = "0";
}
else
{
MessageBox.Show("Error occurred\n Please relogin if the error continues!");
}
}