THe default sort code can't handle null as it isn't a date or number ________________________________
From: flexcoders@yahoogroups.com [mailto:[EMAIL PROTECTED] On Behalf Of aceoohay Sent: Thursday, November 29, 2007 8:49 PM To: flexcoders@yahoogroups.com Subject: [flexcoders] Re: Sorting problem on date and numbers with null values, I think When I said no values returned from the DB, I meant that the grid is populated with some records that have the values in the number/date column, and others that don't. Paul --- In flexcoders@yahoogroups.com <mailto:flexcoders%40yahoogroups.com> , "aceoohay" <[EMAIL PROTECTED]> wrote: > > I running flexbuilder 2.0.1, AS 3. > > I have a number of datagrids. In two of my grids I have date and > number fields that sometimes have no values returned from the DB. > When I click the heading on these columns to sort Ascending they work > fine. When I click a second time (descending) I get the following > error; > > =============================================================== > Error: Cannot determine comparator for SortField with > name ''MyNumberDataField''. > at mx.collections::SortField/::nullCompare() > at > mx.collections::SortField/http://www.adobe.com/2006/flex/mx/internal:: <http://www.adobe.com/2006/flex/mx/internal::> > internalCompare() > at mx.collections::Sort/::internalCompare() > at mx.collections::Sort/findItem() > at mx.collections::ListCollectionView/getItemIndex() > at ::ListCollectionViewCursor/::collectionEventHandler() > at > flash.events::EventDispatcher/flash.events:EventDispatcher::dispatchEv > entFunction() > at flash.events::EventDispatcher/dispatchEvent() > at mx.collections::ListCollectionView/dispatchEvent() > at mx.collections::ListCollectionView/::internalRefresh() > at mx.collections::ListCollectionView/refresh() > at mx.controls::DataGrid/::sortByColumn() > at mx.controls::DataGrid/::headerReleaseHandler() > at > flash.events::EventDispatcher/flash.events:EventDispatcher::dispatchEv > entFunction() > at flash.events::EventDispatcher/dispatchEvent() > at mx.core::UIComponent/dispatchEvent() > at mx.controls::DataGrid/mx.controls:DataGrid::mouseUpHandler > () > =============================================================== > > I am not using a sort compare function anywhere. I have other text > type fields with nulls that seem to sort correctly. > > This seems like a bug. > > Any ideas? > > Paul >
