public int ooDeletePB(string MaPB) { return(con.ooDelete("QL_PhongBan", "where MaPhongBan='" + MaPB + "'")); }
// insert Chi tiet cham cong public int ooDelCC(int MaPhieu) { con.ooDelete("QL_ChiTietChamCong", "where MaPhieu=" + MaPhieu); return(con.ooDelete("Ql_ChamCong", "where MaPhieu=" + MaPhieu)); }