hi
i have developed two separate module and i want to  communicate each other
please tell me how can i do that

for eg. i have added one module A in top pane and second module B in content pane
            there is one drop down button on module A , and Module B have One Grid View.
          if i change the the items from the drop down of Module  A
       than the Grid Views data of Module B should be change.

I want to do that in Two Separate module..


Please Help !!!!  :(

Thank you Steven

But i dont want to user session or query string is there any other solution

Regards
Abhishek

thanks steven
i will do the same :)