java.lang.StringBuffer sql = new java.lang.StringBuffer();
sql.append("select top 1 fnumber from t_bd_supplier ");

java.sql.Connection con = com.kingdee.bos.framework.ejb.EJBFactory.getConnection(__bosContext);
java.sql.Statement batchStatement = con.createStatement( );
java.sql.ResultSet rst = batchStatement.executeQuery(sql.toString( ));
java.lang.String result = null;
if (rst.next( )) 
{ 
	result= rst.getString(1);
//do sth 
} 
com.kingdee.util.db.SQLUtils.cleanup(batchStatement , con );
com.kingdee.util.db.SQLUtils.cleanup( con );
;
return result;