Hi Harshal, Does this happen when you drag any of the column header or does it happen when you just move your mouse over some columns. The error says that it happened during the mouseUpHandler event.
Regards, Venkat www.venkatv.com On Tue, Dec 16, 2008 at 5:02 PM, Harshal <[email protected]> wrote: > > I have a datagrid which looks like this: > > <mx:DataGrid > draggableColumns="true" > id="mainGrid" > selectable="true" > visible="true" > dataProvider="{cgModel.contacts}" > horizontalScrollPolicy="off" > styleName="contactGrid" > width="100%" > height="100%" > allowMultipleSelection="true" > rowHeight="18" > paddingTop="0" > paddingBottom="0" > horizontalGridLines="false" > rowColorFunction="selectTypeColor" > headerRelease="customSort(event)" > dragEnabled="true" > dragMoveEnabled="true" > /> > > When I move my mouse over this grid I get the following error: > > TypeError: Error #1009: Cannot access a property or method of a null > object reference. > at mx.managers.dragClasses::DragProxy/mouseUpHandler()[E:\dev\3.0.x > \frameworks\projects\framework\src\mx\managers\dragClasses > \DragProxy.as:549] > at > mx.managers.dragClasses::DragProxy/mouseLeaveHandler()[E:\dev\3.0.x > \frameworks\projects\framework\src\mx\managers\dragClasses > \DragProxy.as:448] > at flash.events::EventDispatcher/dispatchEventFunction() > at flash.events::EventDispatcher/dispatchEvent() > at mx.core::UIComponent/dispatchEvent()[E:\dev\3.0.x\frameworks > \projects\framework\src\mx\core\UIComponent.as:9051] > at mx.controls.listClasses::ListBase/mouseMoveHandler()[E:\dev\3.0.x > \frameworks\projects\framework\src\mx\controls\listClasses\ListBase.as: > 8809] > > I've now wasted around 6hours banging my head on this. Been searching > all the web for this, but there is no concrete information available > on this particular error. Can anybody provide me any clue on this? > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Flex India Community" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/flex_india?hl=en -~----------~----~----~----~------~----~------~--~---
