private void lsvHangHoa_SelectedIndexChanged(object sender, EventArgs e)
{
if (lsvHangHoa.SelectedIndices.Count > 0)
{
//byte[] toBytes = Encoding.ASCII.GetBytes(lsvHangHoa.SelectedItems[0].SubItems[8].Text);
txtMaHang.Text = lsvHangHoa.SelectedItems[0].Text;
txtTenHang.Text = lsvHangHoa.SelectedItems[0].SubItems[1].Text;
txtSoLuong.Text = lsvHangHoa.SelectedItems[0].SubItems[2].Text;
txtDonGia.Text = lsvHangHoa.SelectedItems[0].SubItems[3].Text;
cb_MaNhaCC.SelectedIndex = cb_MaNhaCC.FindString(lsvHangHoa.SelectedItems[0].SubItems[4].Text);
cb_MaLoai.SelectedIndex = cb_MaLoai.FindString(lsvHangHoa.SelectedItems[0].SubItems[5].Text);
txtND_TomTat.Text = lsvHangHoa.SelectedItems[0].SubItems[6].Text;
cb_DVT.SelectedIndex = cb_DVT.FindString(lsvHangHoa.SelectedItems[0].SubItems[7].Text);
pic_HinhAnh.Image = byteArrayToImage(hh.LayHinhANh(txtMaHang.Text));
}
else
{
clearForm();
}
}