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Vijay BirsinghVijay Birsingh 

Rendering a visualforce page after textArea has been modified.

Hello to you,
                  I am a newbie in rendering pages. I have to ensure that an output panel in a pageblock appears in the visualforce page after something has been entered in a TextArea. I know that the event is onchange, but how do I proceed to reRender the pageblock from the TextArea?

I thank you.

Kindest Regards,