數(shù)據(jù)集ds包含數(shù)據(jù)表MyTable。MyTable中目前有100條記錄。調(diào)用下列語句后,MyTable表中還有多少條記錄?() MyTable1.Rows[99].Delete();
A.0 B.98 C.99 D.100
A.ExecuteScalar B.ExecuteSingleValue C.ExecuteNonquery D.ExecuteReader
A.trans.roolback(); B.trans.restore(); C.trans.commit(); D.trans.close();