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setting parameters in Portlet URL that other portlet can also retrieve?

 
Greenhorn
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Hey,
I am facing these two problems which actually are inter linked. If i find the solution of one the other will also get solved.

1) Does anyone know how to set a parameter in a portlet URL that other portlet on the same page can also use or retrieve from the request.

2) Actually all custom portlets on my page is retrieving some parameter value from the request. Whenever an action is generated in the portlet, portal URL got changed as a result of portlet action and the other portlet that are also using the same Parameter starts getting null value. Is there any method to retain the portal URL parameters.
Please help.

Regards,
Alka
 
Greenhorn
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What exactly is your functionality. Are you using websphere portal. Does all your portlets need the same parameter and from where??
 
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