How To retain Session Value in OBIEE

I have a requirement to pass session variable from one page to next page in the dashboard.
Requirement :
In Presentation Part:
Prompt : Column1: Year
Column2: Quarter
I have to pass the Value selected in the dashboard prompt to the repository. To achieve this, I have stored the Year and Quarter Column value in 2 Request variables from the prompt.
Request Variable1 : VarYear stores Year Value selected
Request Variable2 : VarQuarter stores Quarter Value selected
In Repository Part:
1. I have created 02 session variables in repository with the same name as : VarYear and VarQuarter
2. Under the Intitialization Block of Both Variables I have written a dummy Query as
'SELECT PER_NAME_ENT_YEAR FROM W_DAY_D WHERE PER_NAME_ENT_QTR IS NOT
NULL'
3. Checked the Box to 'Enable any user to set the value' for both the session variables.
4. Used the session variable to pass as a filter under the content tab of the LTS of Revenue Measure as follows:
'"Oracle Data Warehouse".Catalog.dbo.Dim_W_DAY_D.PER_NAME_ENT_YEAR = VALUEOF(NQ_SESSION."VarYear") AND "Oracle Data Warehouse".Catalog.dbo.Dim_W_DAY_D.PER_NAME_ENT_QTR = VALUEOF(NQ_SESSION."VarQuarter")'
Resolution : The session variables from the prompt is passing properly to the RPD and returning the result as expected for the current page(Both Prompt and the Report are in same page where I used the measure Revenue which is getting filtered in the LTS on the basis of Quarter & Year under Content Tab).
Reuirement2 With Issue :
I have to navigate from one page to another on click of Revenue measure value. The target page also contain the same Revenue measure as in First page. But On navigating from one page to another page the session value is getting lost and passing the by default value coming from the Session Initialization block insted of the value selected in the prompt.
As per my understanding the session value should not be replaced untill a user log out from the application. But in my case for First page where I have both Promt and the Revenue measure the Prompt value is passing properly but When I am moving to second page where I have only the Revenue measure the session value which is already set early is replaced by Session IB query result.
Please suggest me if there is any resolution for my issue.
Thanks a Lot in advance.
:)

I've had this issue myself and here is what i found. The only way I could get it to work was to have the Prompts that populate the Session Variables on the pages. In other words if I had the prompt on one page and then used guided navigation to go to another dashboard page I needed to have the same prompts located on that page for the session values to get passed into. Since in my case I didn't want the prompts to display or the User to know I had to add Dashboard prompts in order to captures the passed Session Variable values, I placed the dashboard prompts for my Session Variables in a separate section and then hid that section from the User. I hid the section by selecting Properties - Custom CSS Style Options (HTML Only) and then clicked on the check box for Use Custom CSS Style. In the text box enter display:none which will cause the section to be hidden from the User. The prompts will then exist on the dashboard page to receive the session values and the User will never know it is there.
Hopefully this helps.
Eric
http://www.BIConsultingGroup.com

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