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Set loopup field value from querystring

Posted By:      Posted Date: October 28, 2010    Points: 0   Category :SharePoint

Hey guys, I have asked this before in Design and Customization but never got an answer.

So this is what I want to do.
I have a lookup field in the NewItem.aspx that I want to set a value to.
I am able to send the value in the querystring to the form.

I have been trying this:
But have been unable to trigger it.

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