We would need to know more before we could take a stab in the dark. Do you have a simple example showing the problem?
--- In [email protected], "tntomek" <tnto...@...> wrote: > > --- In [email protected], "tntomek" <tntomek@> wrote: > > > > > > When I edit a cell and press Tab to move horizontally to the next cell in > > the same row the grid behaves wonderfully. If however, I make my next > > selection to another row this becomes incredibly slow (10-15 seconds). Is > > there any reason for this slowdown? I'm using a ArrayCollection of typed > > objects as my main data source. The source is between 100-5000k rows. > > Surely it doesn't take Flex this long to switch rows. Is there anything I'm > > missing? > > > > Bump, this is a serious adoption issue preventing us from giving the grid a > stamp that its ready. >

