private void QuanLyBan_Load(object sender, EventArgs e)
{
using (HangHoaBUS bus = new HangHoaBUS())
dataGridView2.DataSource = bus.ListHangHoa2();
using (KhuVucBUS bus = new KhuVucBUS())
{
foreach (DataRow row in bus.ListKhuVuc().Rows)
{
var group = new ListViewGroup(row["TenKhuVuc"].ToString());
listView1.Groups.Add(group);
foreach (DataRow r in bus.ListBan(row["TenKhuVuc"].ToString()).Rows)
{
listView1.Items.Add(new ListViewItem(r["TenBan"].ToString(),
bus.IsAvailable(r["MaSoBan"].ToString()) ? 0 : 1, group)).Tag = r["MaSoBan"];
}
listView1.Items[0].Selected = true;
}
}
using (QuanLyBanBUS bus = new QuanLyBanBUS())
txtSoHoaDon.Text = bus.GetSoHoaDon().ToString();
}