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I'm trying to set the hidden field for 'item_number' from the Url QueryString for a paypal form.

So the URL will look like this "http://website.com/customize.aspx?item_number=FFFF"

and code:

<script language="javascript" type="text/javascript">
document.getElementById('item_number').Value = Request.QueryString('item_number');
</script>

<input type="hidden" name="item_number" value="">

But this doesnt work for me. Whats wrong here???? is there a better way?

Omar Little
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1 Answers1

3

getElementById only finds elements by their ID. Your hidden doesn't have the id of item_number; it has that name, however. If you add id="item_number" to your input, then the code should work. You also need to move your script to after the DOM element. Otherwise, it will run before the input exists in the document.

Update

Just noticed another mistake. You're setting a Value property, and Request.QueryString('item_number') is also invalid. It looks like you're confusing ASP.NET code with JavaScript. The correct property name for the hidden input is value (lowercase). There is no equivalent of Request.QueryString in JavaScript. Rather, to extract query string values, see this answer for a good way to do so.

Community
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Jacob
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