Re: The "Presentation" Layer

Here is a link to a paging grid.

http://smi-na.com/m2-examples.html . The first example ICE01.rpgle is ExtJS. This was done quite quickly so it is not that fancy. You may have to press F5 to go full screen if it does not open in full screen.



Jim


________________________________

From: web400-bounces@xxxxxxxxxxxx on behalf of Aaron Bartell
Sent: Fri 7/18/2008 3:04 PM
To: Web Enabling the AS400 / iSeries
Subject: Re: [WEB400] The "Presentation" Layer



Just to comment on things like the ExtJS grid...

... the thing that drives me nuts the most is that out of the box most of
these grid controls don't promote the use of paging. For example, if you
have 100,000 records in a file then the user should only be returned the
actual number of records they are viewing (or you could buffer a page before
and a page after if you wanted to).

What type of paging capabilities does Ext JS provide to "go back to the
well" for the next pages worth of data vs. loading the entire dataset in the
browser all at once?

Aaron Bartell
http://mowyourlawn.com <http://mowyourlawn.com/>

On Fri, Jul 18, 2008 at 1:45 PM, Nathan Andelin <nandelin@xxxxxxxxx> wrote:

From: Walden H. Leverich
The page comes up and I see a grid, but nothing in the grid.
Is this correct?

Hmmm, I don't know what happened. Maybe the result set was too large for
my slow modem. I don't know. I changed the cursor filter to generate a
smaller result set. Try again. Be patient for the response. This is my
first attempt at communicating with an Ext JS client.

Regarding losing the ability to bookmark a rich-client interface, that's
fine for the type of applications I deploy, but the point is well taken.

Nathan.



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