public int ThemPhieuThanhLySach(PhieuThanhLySachDTO phieuThanhLySach) { try { QuanLyThanhLySachDAO quanLyThanhLySachDAO = new QuanLyThanhLySachDAO(); int Row = quanLyThanhLySachDAO.ThemPhieuThanhLySach(phieuThanhLySach); return(Row); } catch (Exception ex) { throw ex; } }