private void btnclick(object sender, EventArgs e)
{
B = new Book();
Rc = new RegistrationClass();
String t = Et.ToString();
List <Book> res = Rc.SelectTableBook(t);
if (res != null)
{
int y = res.Count;
Book temp = res.Last();
FindViewById <TextView>(Resource.Id.textView1).Text = temp.C_id;
FindViewById <TextView>(Resource.Id.textView2).Text = temp.Address;
FindViewById <TextView>(Resource.Id.textView3).Text = temp.Message;
}
}
