DBCommand stmt = conn.CreateCommand();
	stmt.CommandText = "SELECT t1a1, t1a2 FROM table1 ";

	DBRowReader rs = stmt.ExecuteReader();
	printResultSet( rs );
	rs.Close();

	stmt.CommandText = "SELECT t2a1 FRONT table2 ";
	rs = stmt.ExecuteReader();
	printResultSet( rs );
	rs.Close();
	stmt.Close();

public void prepare_for_download(DateTime last_download,
    String ml_username)
{
	    DBCommand cstmt = conn.CreateCommand();
	    cstmt.CommandText = "CALL myProc( ?,?,? )";
	    cstmt.Prepare();

	    DBParameter param = new DBParameter();
	    param.DbType          = SQLType.SQL_CHAR;
	    param.Value           = "10000";
	    cstmt.Parameters.Add(param);

	    param                 = new DBParameter();
	    param.DbType          = SQLType.SQL_INTEGER;
	    param.Value           = 20000;
	    cstmt.Parameters.Add(param);

	    param                 = new DBParameter();
	    param.DbType          = SQLType.SQL_DECIMAL;
	    param.Precision       = 5;
	    param.Value           = new Decimal(30000);
	    cstmt.Parameters.Add(param);

	    // Execute update
	    DBRowReader rset = cstmt.ExecuteNonQuery();
	    cstmt.Close();
	}