public void Load_Data()
        {
            clsChi_Tiet_Phieu_Nhap_Vat_Tu pn = new clsChi_Tiet_Phieu_Nhap_Vat_Tu();
            txtMaPhieuNhap.Text = maphieu;
            dtPhieuNhap = pn.GetAll(txtMaPhieuNhap.Text);
            gridDanhSachPhieuNhap.DataSource = dtPhieuNhap;

            clsGiaoDienChung.initCombobox(cbbPhieuNo, new clsBu_Tru_No_Phieu(), "Ma_phieu_nhap", "ID_phieu_nhap", "Ma_phieu_nhap");
        }
        private bool initEdit()
        {
            try
            {

                clsPhieuNhapKho clsNhap = new clsPhieuNhapKho();

                clsNhap.Ma_phieu_nhap = txtMaPhieuNhap.Text;

                if (clsNhap.CheckTonTaiSoDK(txtMaPhieuNhap.Text) == true)
                {

                    DataTable tb = clsNhap.GetAllPhieuNo(txtMaPhieuNhap.Text.Trim());
                    // dtNgayNhap.Text = tb.Rows[0]["Ngay_nhap"].ToString();
                    dtNgayNhap.CustomFormat = "dd-MM-yyyy";
                    dtNgayNhap.Value = Convert.ToDateTime(tb.Rows[0]["Ngay_lap"].ToString());
                   // dtNgayNhap.Text = string.Format("{0:dd/MM/yyyy}", tb.Rows[0]["Ngay_lap"]);

                    txtLyDo.Text = tb.Rows[0]["Ly_do"].ToString();
                 //   txtXuatTaiKho.Text = tb.Rows[0]["ID_kho"].ToString();
                    txtCongTrinh.Text = tb.Rows[0]["cong_trinh"].ToString();
                    cbKhoNhan.Text = tb.Rows[0]["Ten_kho"].ToString();
                    txtDiaChi.Text = tb.Rows[0]["Dia_chi"].ToString();
                 //   cbLoaiPhieuNhan.SelectedValue = tb.Rows[0]["ID_Loai_Phieu_Nhap"].ToString();
                 //   chbNGD.Checked =bool.Parse( tb.Rows[0]["isGoiDau"].ToString());
                    cbKhoNgoai.Text = tb.Rows[0]["Ten_kho_muon"].ToString();
                    rdoKCMuonNo.Checked =bool.Parse( tb.Rows[0]["isKCMN"].ToString());
                    rdoKCTN.Checked = bool.Parse(tb.Rows[0]["isKCTN"].ToString());
                    rdoKNMN.Checked = bool.Parse(tb.Rows[0]["isKNMN"].ToString());
                    rdoKNTN.Checked = bool.Parse(tb.Rows[0]["isKNTN"].ToString());

                    clsChi_Tiet_Phieu_Nhap_Vat_Tu chitiet = new clsChi_Tiet_Phieu_Nhap_Vat_Tu();
                    DataTable vChiTiet = (DataTable)chitiet.GetAll(txtMaPhieuNhap.Text);
                    for (int i = 0; i < vChiTiet.Rows.Count; i++)
                    {
                        //  dataTable1.Rows[i]["Ma_phieu_nhap"] = vChiTiet.Rows[i]["ma_phieu_nhap"].ToString();

                        DataRow dr = dataTable1.NewRow();
                        //dr["Ma_vat_tu"] = vChiTiet.Rows[i]["ma_phieu_nhap"].ToString();
                        dr["ma_vat_tu"] = vChiTiet.Rows[i]["ma_vat_tu"].ToString();
                        dr["Ten_vat_tu"] = vChiTiet.Rows[i]["Ten_vat_tu"].ToString();
                        //  dr["don_vi_tinh"] = vChiTiet.Rows[i]["don_vi_tinh"].ToString() ;
                        dr["chat_luong"] = vChiTiet.Rows[i]["chat_luong"].ToString();
                        dr["ID_chat_luong"] = vChiTiet.Rows[i]["ID_chat_luong"].ToString();
                        dr["so_luong_thuc_lanh"] = vChiTiet.Rows[i]["so_luong_thuc_lanh"].ToString();
                        dr["don_gia"] = vChiTiet.Rows[i]["don_gia"].ToString();
                        dr["Thanh_tien"] = vChiTiet.Rows[i]["thanh_tien"].ToString();// int.Parse(vChiTiet.Rows[i]["don_gia"].ToString()) * int.Parse(vChiTiet.Rows[i]["so_luong_thuc_lanh"].ToString());
                        dr["Ten_Don_vi_tinh"] = vChiTiet.Rows[i]["ten_don_vi_tinh"].ToString();
                        dr["ID_Don_vi_tinh"] = vChiTiet.Rows[i]["ID_don_vi_tinh"].ToString();

                        dataTable1.Rows.Add(dr);
                    }
                    if (clsChi_Tiet_Phieu_Nhap_Vat_Tu.KTVTChuaDuyet(clsNhap.Ma_phieu_nhap) == true)

                    {
                        //khong cho sua thong tin tren luoi
                        disableInputForm();
                        MessageBox.Show("Phiếu nhập này chứa vật tư đã phân vào kho, không thể chỉnh sữa thông tin.");
                        return false;

                    }

                    //MessageBox.Show("Tồn tại mã phiếu nhập trong csdl");

                    return true;
                }
                else
                {
                    //MessageBox.Show("Chưa Tồn tại mã phiếu nhập trong csdl");

                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(Utilities.clsThamSoUtilities.COException(ex));
            }
            return false;
        }
        private void Load_DataNo()
        {
            clsChi_Tiet_Phieu_Nhap_Vat_Tu pn = new clsChi_Tiet_Phieu_Nhap_Vat_Tu();

            dtPhieuNhapNo = pn.GetAll(cbbPhieuNo.GetItemText(this.cbbPhieuNo.SelectedItem));
            gridNhapNo.DataSource = dtPhieuNhapNo;
        }