You can certainly have a scrollbar in a JavaScript-based data grid.
What's more, the scrollbar actually matches in behavior with the one
you use to scroll the page -- it's the same component. So that
provides a more consistent experience.

Some of the reasons I know that people avoid using Flash:

 1.  It tends to "eat" focus. (i.e. you can never tab out of a Flash object)
 2.  It doesn't obey the user's preferences with respect to font size and color
 3.  It's too large -- a Flex application just for a DataGrid would be 200+ KB
 4.  Some users don't have Flash Player, for whatever reasons
 5.  They don't have Flash/Flex development skills on the team

Of course, there will be cases where it's desirable to use a Flex
application embedded in the web page just to show a bunch of tabular
data. I'm sure they're out there. Last I remember, the Flex Developer
Center on the Adobe site used to have that.

Manish

On Sun, Mar 15, 2009 at 2:15 AM, wubac1 <[email protected]> wrote:
> Manish,
>
> The javascript-based data grid components don't compare from a usability 
> standpoint (i.e. pagination by button vs. scroll bar).  The Google Reader 
> makes an interesting attempt at a scrollable data grid, but it's still not 
> even close (it lets you scroll a small amount and then hangs for additional 
> loading).  So, while I understand the options exist in javascript, why choose 
> them when Flex provides better usability?  Is it simply a "religious" issue 
> with regard to web design?
>
> --- In [email protected], Manish Jethani <manish.jeth...@...> wrote:
>>
>> On Sat, Mar 14, 2009 at 12:42 PM, wubac1 <wub...@...> wrote:
>> > Many websites embed Flash/Flex applications for charts, but I don't see 
>> > embedding for DataGrid.  Given that DataGrid has many usability advantages 
>> > over HTML-based pagination (my assumption), why is it not used for tables 
>> > in javascript-based websites?  If I am overlooking any major examples, 
>> > please provide a link.
>>
>> There are many Ajax-based data grid components out there, and they
>> tend to be the natural choice (same environment). Some of the new
>> websites are also using HTML Canvas for charting -- Wikirank, for
>> example -- so you'll see fewer and fewer sites using Flash just for
>> charts as time goes by.
>>
>> Manish
>>
>> --
>> Manish Jethani
>> www.manishjethani.com
>>
>
>
>
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