On Jun 23, 2009, at 10:10 AM, Josep wrote:
The code is:
On FillInData
...
<Perform some Col operations>
...
...
end FillInData
I need calculate the amounts for the taxes. When the users insert a
item I
need calculate the total for the line. Multiply units by product
cost, and
update the total for the document with her taxes.
I have three posibles taxes. After call uSumTotal for the col that
have the
totals, I perform some others operations and fill the fields.
The question is if this is correct to do in FillInData, in your last
post
you confirm that is the good place, and what effect can have in the
performance of the datagrid or the stack.
FillInData is a good place to perform cell specific actions but not
column specific actions as you will be performing the column
calculations way more often then is needed.
If I understand correctly you just need to make sure the aggregate
values stay up to date:
1) After you draw the data grid for the first time.
2) When the user updates values in a cell.
If the above is true then I would add a handler to my card script
called something like "UpdateAggregateFields". This handler would
perform all of the code that you currently have in FillInData that
isn't cell specific.
You can then call this handler after (1) or (2) occurs. You can deal
with (2) by handling the CloseFieldEditor message. The quickest way to
do what you want to is something like this:
on CloseFieldEditor pFieldEditor
## save the data to dgData array before upating aggregate fields
SetDataOfIndex the dgIndex of me, the dgColumn of me, the text of
pFieldEditor
## Update aggregate columns.
UpdateAggregateFields
end CloseFieldEditor
Make sense?
Additional details on field editors are available in this chapter of
the manual:
Using the Built-In Field Editor
<http://revolution.screenstepslive.com/spaces/revolution_tools/manuals/datagrid/chapters/1536
>
Regards,
--
Trevor DeVore
Blue Mango Learning Systems
www.bluemangolearning.com - www.screensteps.com
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