Page calculation not return value to the page
I'm trying to get a calculation of page to work in the rendering phase...I've implemented the calculation according to the region, and I want it to run whenever someone adds a detail line on the form. This is a query that returns a single value:
Select nvl (sum (inv_det_amount), 0) in the invoice_details where inv_id =: P320_INV_ID;
The query works fine under workshop/SQL SQL commands, but does not occur on the page.
I have the page element declared as 'source' to a column of data.
What might be missing?
The Page element contains the correct calculation, but it is not displayed on the screen.
Published by: V Rickert on May 15, 2013 15:39
Hello
>
I have the page element declared as 'source' to a column of data.
>
What is a parameter for Source used?
If it's still, by replacing the value that exists in the session state, then that could explain it.
This means first of all, you do your calculation or procesess, and after that to read data in the element.
And gets what you read database element.
Kind regards
Aljaz
Tags: Database
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