Datagrid and linking dataobjects

Hi, Is it possible to link two dataobjects with a simple link (one to one table link, not cross link tables or others) and bind the result on a datagrid ? I've tried the getlinks and joinadd methods but no results. Example : /**********************************************/ $obj = new DataObject_X; //not necessary $obj->find(); //option 1 $obj->getLinks(); //option 2 /*$obj->selectAs(); $obj2 = new DataObject_Y; $obj->joinAdd($obj2); $obj->selectAs($obj2,'Y_%s');*/ $dg =& new Structures_DataGrid(15); $dg->bind($obj); /********************************************************/ then I add columns with dg and render it as usual, names of columns depending on the method used before. JP. Dumont