void chk_CheckedChanged(object sender, EventArgs e)
{
CheckBox chk = sender as CheckBox;
if (chk.Checked == true)
{
frmSoLuong frm = new frmSoLuong();
frm.ShowDialog();
if (ThayDoi == true)
{
var SP = context.SanPhams.FirstOrDefault(x => x.MaSP == chk.Tag);
string ma = SP.MaSP;
HienThiDanhSach(ma, frm);
}
}
}
private void HienThiDanhSach(string ma, frmSoLuong frm)
{
soluong++;
int sl = int.Parse(frm.txtSoLuong.Text);
SanPham sp = context.SanPhams.FirstOrDefault(x => x.MaSP == ma);
ListViewItem lvi = new ListViewItem((soluong) + "");
int? thanhtien = sp.DonGia * sl;
lvi.SubItems.Add(sp.TenSP);
lvi.SubItems.Add(sp.DvTinh);
lvi.SubItems.Add(sl + "");
lvi.SubItems.Add(sp.DonGia + "");
lvi.SubItems.Add(thanhtien + "");
lsvDanhSach.Items.Add(lvi);
}