Passing Data between portlets

Hi,
How can we pass the data from a Portlet in one page to another Portlet in a different Page??
Requirement: I want a portlet which should take some parameters(basically a form),On submit should process the parameters and should forward the result to a Portlet in another page.
Regards
Yash

Thanks Abhinav,
I went through the eventform.jsp present in the JPDK.ear.I was able to run the same,But I still have some problems accesing the values that were passed.
1. How to get the information in the second portlet when the form is submitted to other page.
I checked whether data is being passed from one page to another by setting method="Get".The data is getting passed to the other Page.But I am not able to use the values in the Portlet. I tried using request.getParameter("parameter") in Portlet2,but it is not working.
2. In the page properties of page 1, I set the SUBMIT event to get the same page back,this too is not working,it is directly taking me to Page2 when I click the SUBMIT button.How to specify it other than using page properties ->events
3.I want to know where the information regarding the Pages are stored.
Regards
Yash

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