How to get the URL of the parent from an iframe in ASP.NET

Question

Hi, I have a page on the example.com domain which contains an IFrame, this IFrame loads an ASP.NET page (c#) from the example2.com domain.

From the code behind on the example2.com domain how can I get the URL of the master page?

Would it help if the 2 pages were on the same domain, so example.com contains an iframe with sub.example.com?

Thanks

Answer 1

If you have access to the parent frame you can send the url of the page to your from with querystring. You can call your page as...

mysite.com/innerIframePage.aspx?parentPageUrl=http://.....

This way you can get the url from your codebehind