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How to get the value of selectManyListbox component using ParameterMap object

Vallidevi Appana
Posts: 25
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Hi all

I am using SelectMayListBox component in my jspx.
I want to get the value of this component which is List or array in my action class. ( Here I want this value without submitting the form so I used ParameterMap in my action class.)

The third line in the code throwing ClassCastException. I tried to replace List with String[] then also same thing happened.
But when I put String instead List it didn't throw anything. But in this case I can get only one item selected by the user.
How can I get the list in my action class?

Thansk in advance.
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