public void CreateCmdsAndUpdate(DataSet myDataSet)
{

            OracleConnection myConn = new OracleConnection(myConnection); 
            OracleDataAdapter myDataAdapter = new OracleDataAdapter(); 
            myDataAdapter.SelectCommand = new OracleCommand(mySelectQuery, myConn); 
            OracleCommandBuilder custCB = new OracleCommandBuilder(myDataAdapter); 
            myConn.Open(); 
            DataTable dt = myDataSet.Tables[0];
            foreach(DataRow dr in dt.Rows)
            {
                  dr.SetAdded();//.net 2.0中新增的SetAdd()方法,1.1中没有
            }
            myDataAdapter.Update(dt); 
            myConn.Close(); 

}