private void xlThem()
        {
            CNhanVien nv = new CNhanVien
                               (txtMa.Text,
                               txtTen.Text,
                               bool.Parse(radioGioiTinh.EditValue.ToString()),
                               txtDiaChi.Text,
                               txtDienThoai.Text,
                               txtDiDong.Text,
                               (deNgaySinh.Text == "" ? DateTime.Now : DateTime.Parse(deNgaySinh.Text)),
                               (gleBoPhan.Text == "" ? "" : gleBoPhan.EditValue.ToString()),
                               (gleQuanLy.Text == "" ? "" : gleQuanLy.EditValue.ToString()),
                               txtChucVu.Text,
                               txtEmail.Text,
                               checkConQL.Checked);

            nv.completeObject();
            BUS_NhanVien.ThemNV(nv);
            sendNV?.Invoke();

            Action.Module     = "Nhân Viên";
            Action.ActionName = "Sửa";
            Action.Reference  = txtMa.Text;
            Action.LuuThongTin();

            this.Close();
        }
        private void xlSua()
        {
            editNV.MaNV      = txtMa.Text;
            editNV.TenNV     = txtTen.Text;
            editNV.GioiTinh  = bool.Parse(radioGioiTinh.EditValue.ToString());
            editNV.DiaChi    = txtDiaChi.Text;
            editNV.DienThoai = txtDienThoai.Text;
            editNV.DiDong    = txtDiDong.Text;
            editNV.NgaySinh  = (deNgaySinh.Text == "" ? DateTime.Now : DateTime.Parse(deNgaySinh.Text));
            editNV.BoPhan    = (gleBoPhan.Text == "" ? "" : gleBoPhan.EditValue.ToString());
            editNV.QuanLy    = (gleQuanLy.Text == "" ? "" : gleQuanLy.EditValue.ToString());
            editNV.ChucVu    = txtChucVu.Text;
            editNV.Email     = txtEmail.Text;
            editNV.ConQL     = checkConQL.Checked;
            editNV.completeObject();
            BUS_NhanVien.SuaNV(editNV);
            sendNV?.Invoke();

            Action.Module     = "Nhân Viên";
            Action.ActionName = "Thêm";
            Action.Reference  = txtMa.Text;
            Action.LuuThongTin();

            Close();
        }