private void ShowInfo() { if (dgvBangLuong.RowCount <= 0) { return; } LUONG l; try { l = (LUONG)dgvBangLuong.SelectedRows[0].DataBoundItem; } catch (Exception) { return; } txtMSNV.Text = l.MSNV.ToString(); txtHoTen.Text = NhanVien.LayHoTen(l.MSNV); txtTongLuongThuong.Text = l.TONG_LUONG.ToString(); btnXacNhanNhanLuong.Enabled = !(l.XAC_NHAN_LUONG == 1); }