Refresh Portal Browser By Code

Hi All,
I have done coding in Java WebDynPro to dynamically assign and remove roles on the click of a link.
But I am unable to refresh the browser automatically through the same code, to reflect the changes.
As of now I am using window.top.location.href = sURL ,for refreshing, but it refreshes the Iviewwindow but it does not refreshes the portal main web browser.
My requirement is to refresh the portal main web browser.
Can anyone suggest on this , how to make it work.
Thanks and Regards,
Nuzhat

Hi All,
I think i am calling html page wrongly in java webdynpro code.
Can anyone help me with some code how to read html file saved in src files.
I am using
try
          String path = WDURLGenerator.getWebResourceURL(wdComponentAPI.getDeployableObjectPart(),"Refresh.html");
          TaskBinder.getCurrentTask().getClient().sendRedirect(path,1);
     catch (Exception ex)
          wdComponentAPI.getMessageManager().raiseException(new WDNonFatalException(ex),true);
But think this calling method is porblem.
Anyother alternative to call HTML page.
Thanks and Regards,
Nuzhat

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