private void btnSave_Click(object sender, EventArgs e) { //MessageBox.Show(lst.Rows[lst.Rows.Count-1].Cells[1].Value.ToString()); //THêm mới List <CTPHIEUNHAPHANGTRUSO> ctpn = new List <CTPHIEUNHAPHANGTRUSO>(); for (int i = 0; i < lst.Rows.Count; i++) { CTPHIEUNHAPHANGTRUSO tmp = new CTPHIEUNHAPHANGTRUSO(); tmp.SOPHIEUNHTS = lst.Rows[i].Cells[0].Value.ToString(); tmp.MASP = lst.Rows[i].Cells[2].Value.ToString(); tmp.SOLUONG = int.Parse(lst.Rows[i].Cells[3].Value.ToString()); tmp.GIANHAP = ulong.Parse(lst.Rows[i].Cells[5].Value.ToString()); tmp.HANSD = DateTime.Parse(lst.Rows[i].Cells[6].Value.ToString()); tmp.TINHTRANG = lst.Rows[i].Cells[4].Value.ToString(); ctpn.Add(tmp); } if (ctl.addListCTNHTS(ctpn)) { if (ctl.updatePNHTS(PN, txtTongTien.Text, cbSP.Text)) { GUI_NHTS form = new GUI_NHTS(TK); tt = "Cancel"; this.Close(); } else { MessageBox.Show("Thất bại!"); } } else { MessageBox.Show("Thất bại!"); } }