//Thêm
        #region Xử lý Thêm
        private void tssThem_Click(object sender, EventArgs e)
        {
            Server_Client.Client client = new Server_Client.Client();
            this.tcpClient = client.Connect(Luu.IP, Luu.Ports);
            Entity.HangHoa hh = new Entity.HangHoa();
            hh            = new Entity.HangHoa("Insert", int.Parse(id), txtMaHangHoa.Text, txtMaNhomHangHoa.Text, txtTenHangHoa.Text, cmbMaNhaSanXuat.Text, txtMaVachNSX.Text, cmbMaDonViTinh.Text, float.Parse(txtGiaNhap.Text), float.Parse(txtGiaBanBuon.Text), float.Parse(txtGiaBanLe.Text), cmbMathueNhapKhau.Text, cmbMaThueXuatKhau.Text, cmbMaThueTieuThuDacBiet.Text, cmbMaThueGTGT.Text, txtKieuHangHoa.Text, txtSeri.Text, int.Parse(txtMucDatHang.Text), int.Parse(txtMucTonToiThieu.Text), txtChiTietThem.Text, txtNgungTheoDoi.Text, txtGhiChu.Text, false);
            networkStream = client.SerializeObj(this.tcpClient, "HangHoa", hh);
            bool kt = false;

            kt = (bool)client.DeserializeHepper(networkStream, kt);
            if (kt == true)
            {
                MessageBox.Show("Thành công");
            }
            this.Close();
        }
 private void tssThem_Click(object sender, EventArgs e)
 {
     Server_Client.Client client = new Server_Client.Client();
     this.tcpClient = client.Connect(Luu.IP, Luu.Ports);
     Entity.HangHoa hh = new Entity.HangHoa();
     hh = new Entity.HangHoa("Insert", int.Parse(id), txtMaHangHoa.Text, txtMaNhomHangHoa.Text, txtTenHangHoa.Text, cmbMaNhaSanXuat.Text, txtMaVachNSX.Text, cmbMaDonViTinh.Text, float.Parse(txtGiaNhap.Text), float.Parse(txtGiaBanBuon.Text), float.Parse(txtGiaBanLe.Text), cmbMathueNhapKhau.Text, cmbMaThueXuatKhau.Text, cmbMaThueTieuThuDacBiet.Text, cmbMaThueGTGT.Text, txtKieuHangHoa.Text, txtSeri.Text, int.Parse(txtMucDatHang.Text), int.Parse(txtMucTonToiThieu.Text), txtChiTietThem.Text, txtNgungTheoDoi.Text, txtGhiChu.Text, false);
     networkStream = client.SerializeObj(this.tcpClient, "HangHoa", hh);
     bool kt = false;
     kt = (bool)client.DeserializeHepper(networkStream, kt);
     if (kt == true)
     {
         MessageBox.Show("Thành công");
     }
     this.Close();
 }