A.Execute()B.ExecuteNonQuery()C.ExecuteReader()D.ExecuteScalar()
A.ConnectionB.CommandC.DataSetD..Net Framework數(shù)據(jù)提供程序
A.SqlDataReader reader=command.ExecuteReader()B.SqlDataReader reader=command.ExecuteNonQuery()C.SqlDataReader reader=new SQLDataReader()D.SqlDataReader reader=command.ExecuteScalar()