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Editorial Team
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Asked: 2026-05-12T10:58:55+00:00

This is a follow up to my previous question: Problem passing parameters via Iframe

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This is a follow up to my previous question: Problem passing parameters via Iframe in IE. Which was never solved.

Here’s the core of it:

I’m trying to execute an HTTP GET from
my website to another website that is
brought in via iframe.

On Firefox, you can see in the source
that the correct url is in the iframe
src along with it’s correct
parameters– and it works.

On IE, you can see in the source that
the correct url is in the iframe src
along with it’s correct parameters–
and it doesn’t work…

Is there something about IE that
doesn’t let you pass parameters
through an iframe in the querystring?

I’ve tried refreshing the iframe in
IE, I’ve tried refreshing my page &
the iframe in IE, and I’ve tried
copying the url and re-pasting it into
the iframe src (forcing it to refresh
as if I just entered it into the
address bar for that iframe window).
Still no luck!

Anyone know why this is happening, or
have any suggestions to try to get
around this?

As for the code, all it’s doing is creating
the src from the backend code on page
load and setting the src attribute
from the back end…

//Backend code to set src
mainIframe.Attributes["src"] = srcWeJustCreated;

//Front end iframe code
<iframe id="mainIframe" runat="server" />

I’ve made a temporary account for you to login and see exactly what I mean. That way you can use firebug or any of your other debugging techniques to figure out why this isn’t working rather than having me try to explain what’s going on.

EDIT: Changed the account credentials. Please use this one instead
Username: matt
Password: globalbuying

Please follow this link to get to the login page. One you login with the above credentials it will take you to the main backend page. Click the image on the left that says “Vacations”, that will take to you a page with the iframe and will execute the Http Get from there.

If you need more details on what’s going on in the behind code, etc., let me know and I’ll post them.

Thanks,
Matt

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1 Answer

  1. Editorial Team

    After working my way through the HTTP requests with Fiddler2, comparing different browsers, I found that IE makes the request just fine, but fails to set any cookies in the iframe.

    I also noticed that if I open that framed page by itself it does work. Even more so, after logging out again there, the iframed version works too. That’s because it then already has a session cookie and the iframe no longer needs to set it.

    It turns out that this is a known security restriction: IE blocks cookies in iframes. But this can be overcome with the use of the Platform for Privacy Preferences (P3P).

    Here are a few links that should help you fix the problem. Starting off with another (answered) question on StackOverflow:

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