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From "Ylva Degerfeldt" <>
Subject Re: [S2] One hidden value doesn't get submitted (another one does). Why?
Date Tue, 02 Sep 2008 13:19:16 GMT
Thanks for your response, Dave.

I'm sorry about the long mail but I really thought all of that was
relevant stuff. The problem itself though is (like the subject says)
that the hidden value "state" doesn't get submitted to the Action, but
other hidden values (like the String "id" value and the int "index"
value) do get submitted. I see no logical explanation for this but
there must be one.
See more below..

> If you're always iterating over the list in the session then you'll always get the values
from the list in the session. If your action doesn't change the data in the session list you'll
always see the same thing.
Ok, but (like I said), in my action I'm setting the list attribute of
the session to point to the list property in the action. And anyway,
reading the list values from the JSP works. It's the submitting that
doesn't entirely work.

>> [...] (I mean just this "session and Action thing")?
> If you mean "how do I get the list into the JSP the first time" then that's what the
Preparable interface is for.
Ok, but do you think this might solve the problem with the hidden
value not being submitted? (That would be weird but I don't know
enough about Struts 2 to say the chance doesn't exist.)

> All of this aside, I think you'd be far better served by not re-rendering the page and
either have hidden input elements, or create an input element, or use Ajax.
I can't change that structure now. I just want to solve the mysterious
"hidden value" problem.

Please help me! There must be something I can do to solve this. I just
don't know what or where to start.


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