private void btn_Luu_Click(object sender, EventArgs e) { string a; if (radioButtonNhanVien.Checked == true) { a = "Nhân Viên"; } else { a = "Quản Lí"; } if (Them) { try { qltk.ThemTK(txtMaNhanVien.Text, txtTenDN.Text, txtMK.Text, a, cbbTrangThai.Text); loaddata(); qltk.LayThongTin(dataGridViewTaiKhoan); MessageBox.Show("Đã thêm xong"); } catch { MessageBox.Show("lỗi"); } } else { if (txtMK.Text == qltk.LayMK(txtTenDN.Text)) { try { qltk.SuaTK2(txtMaNhanVien.Text, txtTenDN.Text, a, cbbTrangThai.Text); loaddata(); qltk.LayThongTin(dataGridViewTaiKhoan); MessageBox.Show("Đã thêm xong"); } catch { MessageBox.Show("lỗi"); } } else { try { qltk.SuaTK(txtMaNhanVien.Text, txtTenDN.Text, txtMK.Text, a, cbbTrangThai.Text); loaddata(); qltk.LayThongTin(dataGridViewTaiKhoan); MessageBox.Show("Đã thêm xong"); } catch { MessageBox.Show("lỗi"); } } } }