How did itemEditorInstance get to be null?
________________________________ From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of j_lentzz Sent: Wednesday, September 19, 2007 11:23 AM To: [email protected] Subject: [flexcoders] Re: DataGrid editor/renderer MouseDownHandler error For what it is worth, this is the error I get at runtime when I click on the cell: TypeError: Error #1009: Cannot access a property or method of a null object reference. at mx.controls::DataGrid/mx.controls:DataGrid::mouseDownHandler()[E:\dev\fl ex_201_borneo\sdk\frameworks\mx\controls\DataGrid.as:4239] --- In [email protected] <mailto:flexcoders%40yahoogroups.com> , "j_lentzz" <[EMAIL PROTECTED]> wrote: > > I've been working on getting a datagrid to validate and I am close. > However, whenever I click on a cell in the datagrid, I get a runtime > error in the DataGrid.as file, because my itemEditorInstance is null. > However, I am providing an extended TextInput to the datagrid column > the itemEditor and the itemRenderer. I've tried setting the > rendererIsEditor to both true and false, but nothing changes. Has > anyone seen this? Or can tell me what I'm doing wrong? I'm trying to > follow examples, but obviously I'm doing something wrong. > > Thanks, > John >

