//1、添加引用 System.data.oracleClient//2、設(shè)置連接字符串 data source是服務(wù)名(也就是在客戶端sqlplus中需要輸入的主機字符串)//3、以下用法和sqlserver Access 用法一直string strConn = "data source=oamis;user=scott;password=tiger;";OracleConnection conn = new OracleConnection(strConn);conn.Open();OracleCommand cmd = new OracleCommand();cmd.CommandText = "select * from emp";cmd.Connection = conn;DataSet ds = new DataSet();OracleDataAdapter ad = new OracleDataAdapter(cmd);ad.Fill(ds);