Hello all.
I am having a post calculation computation error because detail lines are not displaying on the page after a page validation. Here is the scenario:
I have created a validation that occurs when the 'Delete' Button is pressed for a purchase order on a Master/Detail page. The 'Master' portion of the page contains the Purchase Order 'header' information from Table A and line items for the purchase order from a child table (Table B) are displayed in the Detail section of the page. The validation I created runs a query to see if invoices exist (Table C) for a purchase order. If invoices exist, then I terminate the Delete Process and notify the user with a message such as "Invoices exist for this purchase order. Deletion process of purchase order terminated." This validation works. However, during the page rendering phase to redisplay the purchase order, I run a process that sums the amounts on the purchase order detail lines. For some reason, the detail lines do not redisplay and cause an post calculation computation error for a page item. Why would the detail lines not immediately redisplay? The header information is still on the page.