public void ThemNguyenLieu() { frmNguyenLieu_ThemNL _frmThemNL = new frmNguyenLieu_ThemNL(); _frmThemNL.NguyenLieu.MaNH = maNH; _frmThemNL.Mode = mode; if (_frmThemNL.ShowDialog() == DialogResult.OK) { LoadNguyenLieu(); } }