Need to update page numbers in footer after spawning hidden pages..

[Fiddling Orion]

Hello, and need help...

I have a footer showing the page numbers (#/#) in an application I am creating. Easy peesy, but then I involve spawned hidden pages that can be respawned for more. But those pages with the footers don't update. The total number retains the original page count, and the sequence of pages do not adjust. 

Is there some way, perhaps a Javascript action, where I can get the pages on the footer to update?

[JR Boulay · Accepted solution]

Place this as a calculation script in the page number fields:

event.target.value = this.pageNum+1;

or

event.target.value = this.pageNum+1 + " / " + this.numPages;

==> You must add "calculateNow()" at the end of the spawning script to update these fields.

[Fiddling Orion]

Thanks, though I can't quite figure how to put script in the page number fields. I tried..  I am using Adobe Acrobat Pro, latest version. Help?

[Thom Parker]

Read this, and watch the free videos:

https://www.pdfscripting.com/public/PDF-Form-Scripting.cfm

[Fiddling Orion]

I know a lot of that stuff already and don't have time to watch a ton of everything to get to the simple solution I need. 

My assignment on this is due very soon and the page numbers were merely an extra touch.

And, your link requires me to create a member account and PAID subscription for anything that is linked (and videos), especially the section where I think the answer lies. Sorry, I am not doing that. 

[Thom Parker]

All the basic info on the site is free

You'll find the answer you need, i.e., how to enter the field calculation script here:

https://www.pdfscripting.com/public/Editing-Fields-Properties.cfm

and here:

https://www.pdfscripting.com/public/Entering-Calculation-Scripts.cfm

[Fiddling Orion]

That's a lot better, but there is a misunderstanding from the original answer. i thought JR meant to put this into the edit footer feature where I put the page numbers, where there is no opportunity to place any fields. Your solution seems to infer that to place a field on each page and then do a calculation script, which is a good idea. But unfortunately, I am running out of time and can't focus on learning through a ton of things I know, and don't need to know (right now), for this to get to the solution, so I give up. Thanks anyway..

[Thom Parker · Accepted solution]

The "edit footer" feature adds static content to the PDF pages. The footer text cannot be updated dynamically with a script. The only way to add dynamic page numbers to spawned Page Template is with a text field on the templates. 

Just add a calculation script to it using the code provided by JR. 

[Fiddling Orion]

Thanks,

Unfortuntatly, I figured that too late, as I thought JR meant the page number "fields" in the footer text editing page where I applied the page numbers, which I thought you could somehow.  I just needed the means to put that script and that's it. Didn't think of of putting a text field on the templates itself....which would have been a better workaround. 

[Fiddling Orion]

@JR Boulay Works perfectly, after realizing I just needed to put a field on every page with the script. Thanks also @Thom Parker for clarifying!