public void SachConLai()
{
var list = thongKeBLL.SachConLai().ToList();
lvSachConLai.Items.Clear();
int i = 1;
foreach (var item in list)
{
ListViewItem lvi = new ListViewItem(i + "");
lvi.SubItems.Add(item.TenDauSach);
lvi.SubItems.Add(item.Tap + "");
lvi.SubItems.Add(item.SoLuotMuon + "");
lvSachConLai.Items.Add(lvi);
i++;
}
}