Have you tried defining the DataGrid dataProvider in the parent document and then refer to it as:
myDataGrid.dataProvider=parentDocument.groovyArrayInParentDoc; That way the visual component is in the titleWindow and its dataProvider is in the parent (and therefore survives after the titleWindow closes). On 8/29/07, candysmate <[EMAIL PROTECTED]> wrote: > > I use a titleWindow popup with a datagrid from which the user makes a > selection from a large database. When closed, does the selection > datagrid ArrayCollection sit around in memory? If so, what is the best > practice way of dealing with this please? > > Ok, take aim and ........ > > >

