public void ReLoadForm() { cbTheLoai.DataSource = TheLoaiSach.laydanhsachtheloai(); dtgDanhSachSach.DataSource = sm.LayDanhSachSach(); txtMaSach.Text = sm.GetLastNode().ToString("MS000"); cbNguoiTiepNhan.DataSource = nvm.LayNhanVienThuKho(); cbNamXuatBan.DataSource = DanhSachNamXuatban(); }