run postback only once with javascript

I have to do a postback automatically when a user visit a page. How can I run this postback only once?

javascript:__doPostBack('dnn$ctr424$ViewLogin$btChange','')

-------------Problems Reply------------

If form_load register that as a startup script with the ScriptManager but only if not Page.IsPostBack.

Category:javascript Views:1 Time:2010-04-15

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