Protection of session state - Arguments must have Checksum - help needed

Hello world

I use apex 4.0 and that you have defined:

Protection of session state = True
Page = Arguments access protection must have the checksum
Point of application protection = Cecksum required - Session level
Page data entry point Protection = required Cecksum - Session level
Page Display-Only item = Cecksum required - Session-level Protection

On the pages that contain an interactive report, calls to other pages updated and or to delete a record from the pharmacokinetics of recording work OK.
I put these as follows:
In the Interactive report link-> Link attribute column = onclick = "new top. Ext.apex.PopupWindow ({url: this.href, title: 'Change collation details', width: 530, height: 500, listeners: {'success': gReport.search}}). show(); return false; »
Target = this Application Page
Page = 302Item = P302_IDCLASS
Value = #IDCLASS #.
Page Checksum = - default user.

The problem is the button 'Create a new record' that is on the page of interactive report. I set the button as:
The attributes button = onclick = "new top. Ext.apex.PopupWindow({url:'f?p=&APP_ID.:302:&APP_SESSION.::NO:302:::',_title:_'Create_New_Classification',_width:_530,_height:_500,_listeners:_{'success':_gReport.search}}).show (); return false; »
Action when click = redirect to the Page of this Application
Page = 302
Clear Cache = 302

When I click the button I get the following message:
Session state protection violation: this can be caused by a manual change to a URL containing a checksum or using a link with a missing or incorrect checksum. If you don't know what caused this error, contact the administrator of the application for assistance.

If I change the attributes of the button to be:
OnClick = "new top. Ext.apex.PopupWindow({url:'f?p=&APP_ID.:302:&APP_SESSION.::NO:::',_title:_'Create_New_Classification',_width:_530,_height:_500,_listeners:_{'success':_gReport.search}}).show (); return false; »

It works OK, bu page elements are not clear.

Could somebody please explaing to me what I am doing wrong so I understand my mistake?

Thank you

Daniel

Hello

If I understand correctly what you need...

Create a point of the MY_BTN_URL application.
You can set this element of Protection of the Session State to 'Restricted - cannot be resolved in the browser.
Create the calculation of demand for this article
Calculation Point: Before header
Calculation type: PL/SQL Expression
Calculation:

APEX_UTIL.PREPARE_URL (
  p_url => 'f?p=&APP_ID.:302:&APP_SESSION.::NO:302::::',
  p_checksum_type => 3
);

Change your attributes of button

onclick="new top.Ext.apex.PopupWindow({ url:'&MY_BTN_URL.', title: 'Create New Classification', width: 530, height: 500, listeners: {'success': gReport.search} }).show(); return false;"

Kind regards
Jari

Published by: jarola October 25, 2011 15:50

Published by: jarola October 25, 2011 16:16

Tags: Database

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