Hello!   I'm working with the dataGrid for the first time (LC 9.5).   Pretty 
cool!  But I'm having an issue...

Following this lesson, 
http://lessons.livecode.com/m/datagrid/l/9850-how-do-i-create-rows-that-can-expand-contract,
 I created a dataGrid with expanding/collapsing rows.  The expanding/collapsing 
part is working fine, and the entire dataGrid looks perfect.  But when it 
expands a row, some rows below are pushed too far down - leaving a big white 
space.  If I then collapse the row and then expand it again, it works correctly 
(for that row).
 
A little detail...  When the row is created, I am resizing the height of a text 
field (with the formattedHeight) so that the content fits.  This, of course, is 
altering the height of the row - which is exactly what I want.  Also, when I 
try this on a phone, there is no scroller (there is also no scrollbar on 
desktop).  I have another dataGrid in this project (that isn't calling for 
dynamic row heights) and it seems to have a scroller automatically (which is 
WAY cool!).

Any thoughts as to (1) why it's not expanding correctly, and (2) why there is 
no scroller on mobile (or desktop)?   My guess is that since I am changing the 
height of the row on the fly, I need to update some dataGrid property that I am 
unaware of.

Any insight would be appreciated!

-Dan

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