Child updatepanel updating parent
When the Navigate Url property is used to load an entire page in the Rad Window it acts just like an iframe would - it creates a separate document for the other page and it cannot be accessed directly from the main page, especially in the code-behind.In this case using AJAX in the content page is pretty straightforward - just do it as if the page is loaded in the browser.Your access to the NCBI website at gov has been temporarily blocked due to a possible misuse/abuse situation involving your site.This is not an indication of a security issue such as a virus or attack.The result from attempting to perform such an update may vary - from nothing to a server error that the update panel cannot be unregistered.For more information on the latter see this KB article.
It is possible, but if you place a Rad Window in an update panel please examine the guidelines above first. NET AJAX Extensions provide developers with a quick and simple way to add AJAX functionality into any ASP. In this article, Dan Wahlin demonstrates how to use the Update Panel control, which performs asynchronous postback operations that update a portion of a page rather than the entire page itself.