使用DataGrid;其连接和调用方法和SQL Server 一样; OracleConnection cnConnection =new OracleConnection("user id=user_pub;data source=user;Password=aaa");
cnConnection.Open(); 
         OracleCommand cnCommand = new OracleCommand() cnCommand.CommandText="select * from biaoming";
OracleDataAdapter cnAdapter= new OracleDataAdapter(cnCommand);
DataSet DS = new DataSet();
cnAdapter.Fill(DS);
         DataGrid1.DataSource=DS;
         DataGrid1.DataBind;
         cnConnection.Close();