Command对象41 S@LNBT数据提供程序 检索数据 SqlCommand sqlcom= new SqlCommand("select *from employee salon) L画BNT数据提供程序 OleDbCommand adcom= new OleDbCommand("select* from employee", adocon) 北大青鸟10 Command 对象4-1 SqlCommand sqlcom = new SqlCommand("select * from employee", sqlcon); OleDbCommand adocom = new OleDbCommand("select * from employee", adocon); 检索数据