[jboss-user] [JBoss Portal] - trigger processAction

[poyge394]

Hello
How can i trigger a processAction from a onchange event.
this dont work:

  |  	  <select name="forvaltning" onchange=<portlet:actionURL/>>      
  | 

i have a form with 2 dropdowns, dropdown 2 are depended off dropdown 1.
so i whant if the user chosse somthing in dropdown 1 i trigger a action and go down to database and populate dropdown 2, does sombody have any sample. 
maybe i thin wrong to trigger my portlet, maybe i should trigger a servlet, and the servlet goes to database put it in session and include the jsp after.

thanks  

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