Variables in Apex

Hi all,
I have a little problem. I don't know how to define variables and use them again in APEX
For exemple :
I want to display which week of the year we are on an HTML Region
the query is simple : select to_char(sysdate,'IW') from dual;
But How can I do that ?
Someone can help ?
Thank you

Moun wrote:
Hi all,
I have a little problem. I don't know how to define variables and use them again in APEXCreating and managing "variables"—page and application items in APEX—in session state is a very basic technique that is covered in the +2 Day Developer's Guide+.
If you have not completed this tutorial you are recommended to do so.
For exemple :
I want to display which week of the year we are on an HTML Region
the query is simple : select to_char(sysdate,'IW') from dual;
But How can I do that ?Create an APP_WEEK application item, set it using <tt>to_char(sysdate,'IW')</tt> in an application computation, and reference it in the HTML region source using a static text substitution:
&APP_WEEK.

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