private void listView1_Click(object sender, EventArgs e)
{
lstPhong = new List <PhongDTO>();
lstPhong = RoomBUS.LayMaPhongLoaiPhong();
txtMaPhong.Text = lstPhong[int.Parse(lvPhong.SelectedItems[0].SubItems[0].Text)].MaPhong.ToString();
txtLoaiPhong.Text = lstPhong[int.Parse(lvPhong.SelectedItems[0].SubItems[0].Text)].TenLoaiPhong;
txtGhiChu.Text = lstPhong[int.Parse(lvPhong.SelectedItems[0].SubItems[0].Text)].GhiChu;
txtDonGia.Text = string.Format("{0:0,0}", lstPhong[int.Parse(lvPhong.SelectedItems[0].SubItems[0].Text)].DonGia);
}
