How to add a custom value to Request Header ?

In my asp.net application, i have a aspx page ( demo.aspx ). my requirement is, I need to set a dynamic value to the header of each request made from this demo.aspx page. Basically i want to send a value from one page to another. I must not use query string. & also not to use session. because it is shared across all the pages. 

 

Another way i can explain this problem is, I have 2 pages. PageA.aspx & PageB.aspx.

 

First I will open PageA.aspx, where i have an anchor tag, refers to PageB.aspx. On Clicking that link, i will be redirected to PageB.aspx, & on the page load, I will get the referer ie( PageA.aspx ).  Here i need to get a value which is dynamically generated in PageA.aspx.

 

If there was another page called PageC.aspx, and if the user navigates to PageC.aspx from PageA.aspx, the same should be able to done.

 

I want to dynamically build the breadcrumb based on the users navigation. I am using session to keep track of all the navigation. Because of that i am facing some issues when the user open the application in multiple browser tab. Using Server Variable HTTP_REFERER i am able to get the previous page Url, even though it is client side navigation, but to uniquely identify the Referer, i want to send some ID with the Referer. 

 

Any idea ???