Understand the elements of application

Can I please be indicated for a good example on how to properly use the application?

I thought that it's simple, based on the definition ("Application-level objects are not displayed, but are used as global variables in the application. You can use a component of demand as a global variable. "), but I'm not getting something.

The exact error I get after having created an element of the App (Session State Protection - required Checsum, Session-level)

[code]

Try to save point XXXX in session state when the treatment of show, no internal protection.

Contact your administrator for the application.

[/ code]

what I'm trying to do is to define the variable on the page sent, then set it as a result of the execution of the pl/sql function...

AZZ says:

I still don't understand why I can't put the value of the application directly in the radiogroup or using $V () or, simply, referring to him as I do for page-level elements.

Application parts have no user interface and are not made on any page that is displayed in the browser. Therefore, they do not exist in the DOM and cannot be referenced or manipulated using JavaScript or jQuery. Their values can only be retrieved/set using URL/AJAX/dynamic actions, where this is permitted by their security settings.

If you need an element of 'global' which are accessible at runtime using JavaScript, jQuery, or dynamic action not AJAX, create an element on a global page, once again if its security attributes in order to allow the necessary operations.

Tags: Database

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