Conditionally display an item based on the page that I've branched

Hello


I have a report on page 6 with a link change. By clicking on this link, the user goes to page 7.
No I don't have an article on page 7 I need to display only if the user has used the link change the page6 report and came to page 7.

In all other scenarios, when the user arrives on page 7 the element of should not be visible.

This is achieved by using any type of condition for the item in question?

Thank you
Dippy

Fisher,

Here's the sql code, I came up with that.

In your page .that we say Page_7, you create a hidden item P7_previous_page to fill the page number where the user landed on the current page.

You can set the source as a function of pl/sql return value and give the next source.

declare
   l_url varchar2(300);
   l_pos number;
   l_page_num varchar2(4000);
begin

  --- complete URL of referring page 

  select OWA_UTIL.GET_CGI_ENV(
   'HTTP_REFERER')
     into l_url from dual;
   l_pos := instr(l_url,'f?p=');

  ---extracting the page number (http://download.oracle.com/docs/cd/E14373_01/appdev.32/e11838/concept.htm#BEIFCDGF).

    l_page_num :=  substr(l_url,
                         instr(l_url,':',l_pos,1)+1,
                         (instr(l_url,':',l_pos,2)-1) - (instr(l_url,':',l_pos,1)+1) +1
                         );
return l_page_num;
end;

You could do the same thng in a single sql also, but I used the function for clarity.

Given that the only necessary information comes from the previous page, I think is the only variable that we have access to the URL of the previous page that the env variable, and we will need to extract the page number.

Once you get this field filled in, you can create a condition according to the value of this field for help
"Value of ELEMENT in the Expression 1' and using the appropriate according to your needs page number."

Tags: Database

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