Sorry its dg.dataprovider.length -1 for the last row selected.
On Apr 27, 2:09 pm, Kronos <utkars...@gmail.com> wrote:
> Hi,
> From what I understand of ur code posted before, u want to physically
> move the data one index above or below in the dataprovider array and
> display it on the datagrid. If this is correct then ur code looks
> fine, but there is one problem.
>
> U have handled the boundary condition for Move Up functionality namely
> selectedIndex = -1 or selectedIndex = 0 but the same is not the
> boundary condition for Move Down. Here u have to check for
> selectedIndex = -1 (Unseleted row) & selectedIndex =
> dg.dataprovider.length (Last row selected).
> (If I select the first row in the datagrid which is equivalent to
> selectedIndex = 0 then I should be able to move it down.)
>
> Also in case of the logic used for Move Down, u should drop the node
> first & then add the node at the next position to get the desired
> effect. My understanding of addItemAt is that every element equal to
> or greater then the index to be added at gets shifted one ahead. (If
> this is not the case then ur code is fine. Please let me know that I
> had it understood wrong)
>
> Hope this helps.
>
> On Apr 25, 11:34 am, Malek S <male...@gmail.com> wrote:
>
> > any updates
>
> > On Thu, Apr 21, 2011 at 12:15 PM, Malek S <male...@gmail.com> wrote:
> > > thanks for your reply
> > > but my problem is different.
>
> > > On Thu, Apr 21, 2011 at 11:24 AM, MIDHUN TM <midhunik...@gmail.com> wrote:
>
> > >> hii
> > >> You need to use the "verticalScrollPosition" property of the
> > >> datagrid to move the scroll down and up. You can set and get the
> > >> property using 'verticalScrollPosition' of the datagrid. Happy Coding
>
> > >> Regards
> > >> Midhun
>
> > >> On Thu, Apr 21, 2011 at 9:40 AM, Malek S <male...@gmail.com> wrote:
> > >> > HI,
> > >> > I am facing a problem . My scenario is i have datagrid and two
> > >> buttons(up
> > >> > and down).
> > >> > Now my requriement is i want to move datagrid up and down on click of
> > >> > respective button.
>
> > >> > on click of button i have written a funtion MoveRowUp('up')
>
> > >> > and the function has to scroll the datagrid.
> > >> > Can some body help in doing it.
>
> > >> > private function MoveRowUp(direction:string):void {
>
> > >> > //create new grid and assign id of your grid
> > >> > var grid:Datagrid = dg;
> > >> > var sIndex:Number = dg.selectedIndex.
>
> > >> > // how toget the row and subsequenty scroll the datagrid.
>
> > >> > }
>
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