Is it for web or mobile? I had the same issue for mobile app. interactionMode="touch" on datagrid solved the problem.
On Thu, Oct 10, 2013 at 4:52 PM, Lee Burrows <subscripti...@leeburrows.com>wrote: > Hi All, > > I am attempting to upgrade a flex app to the 4.10 sdk but i'm encountering > an issue with the spark DataGrid. > > My datagrid is displaying as if it has no data (a single column with an > empty header) but it does have horizontal and vertical scrollbars which > seem to be correctly sized for the number of rows/columns that should be > being displayed. > > The only 'special' feature of the datagrid is that columns are defined and > added at runtime, rather than via mxml. Debugging shows that dataProvider > property contains the correct ArrayCollection data and the columns property > contains the correct ArrayList (everything worked fine in 4.9.1). > > A quick browse thru the DataGrid change history doesnt alert me to any > changes that could be causing this. Does anybody have any ideas before i > dig deeper? > > fyi, scrolling vertically causes this RTE: > > TypeError: Error #1009: Cannot access a property or method of a null > object reference. > at spark.components::**GridColumnHeaderGroup/grid_** > propertyChangeHandler()[/**Users/justinmclean/Documents/** > ApacheFlex4.10/frameworks/**projects/spark/src/spark/**components/** > GridColumnHeaderGroup.as:501] > > On this line: > > ghl.**centerGridColumnHeaderView.**horizontalScrollPosition = > Number(pce.newValue); > > (centerGridColumnHeaderView is null) > > -- > Lee Burrows > ActionScripter > >
