'Length' is null or not an object for tabular forms V4 error
Hi allWe have recently updated our applications APEX of version 2 to version 4. We use many tabular forms in various applications that worked fine before the upgrade.
Since the upgrade, when we run the pages in a table we get an error JavaScript 'Length' is null or not an object and the button "Add row" everything hangs and does nothing.
We tried to remove one of the forms in table form in an application, and then re create it in the same application unsuccessfully.
We then tried to create a new application from scratch, then creating the same page (which did not work in the previous sentence) and it works well.
Of course we can just delete applications that contains a tabular form and then begin to recreate them from scratch.
Someone had a similar problem? I Googled it and a few people have mentioned similar problems with v4. Is this a bug in APEX v4?
Thank you
Hi Cashy,
Unfortunately, you will have to do for each application. Go to shared components
1) go to themes
(2) click on create
3) repository
(4) choose your new theme
(5) create the new theme
6) click on "change the theme.
(7) check that the mapping is ok
8) click 'Remove the theme' to remove the old theme
But to make it easier to change the templates in all your applications in the future I would say the following steps.
(1) create a new application "Main Theme" and choose the new theme you want to have.
(2) copy this application and call it "new model of demand."
3) go to shared Component\Templates
(4) for each model of defined "Reference Master model of" in the region of "Subscription" for the same model in the application "main Theme".
(5) I would also say to remove these themes you don't want that developers use in application here (eg. variations of different button model,...)
6) go to shared Component\Themes
7) click on "export theme".
For each application:
1) go to Components\Themes shared
2) click on "import theme."
(3) choose your exported theme
6) click on "change the theme.
(7) check that the mapping is ok
8) click 'Remove the theme' to remove the old theme
The advantage is that if you change a model in your theme, you just make the change in your 'Main Theme' application and publish it on applications that have subscribed the theme.
Concerning
Patrick
-----------
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Tags: Database
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