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.NET Forum / ASP.NET / General / July 2007cookies don't work for pages with UpdatePanel
Is anyone finding that cookies added to the Response.Cookies collection within pages which contain an UpdatePanel do not exist in the Request.Cookies collection when the page is posted back ? These should be complete page postbacks not partial postbacks, because the postback in question is not triggerred by a control inside the UpdatePanel (nor is it a trigger control for an UpdatePanel), but, not knowing all the details of how AJAX works, perhaps it is possible that XmlHttpRequest is handling the postback even in this case and does not handle Cookies properly ... updatepanels use ajax to postback via XMLHttpRequest. the ajax request will send the browser cookies, but the browser does parse the response headers, so it will not see a cookie headers added. this means if you set a cookie is a partial update, the browser will not see, and can not send on a full post. this is why partial page updates do not update session/login cookie timeouts. -- bruce (sqlwork.com) > Is anyone finding that cookies added to the Response.Cookies collection > within pages which contain an UpdatePanel do not exist in the [quoted text clipped - 6 lines] > handling the postback even in this case and does not handle Cookies properly > ... But I'm not adding/setting my cookies during a partial update. I'm using Page.Response.Cookies.Add during the initial page load ... but on post back Page.Request.Cookies does not contain the cookie. > updatepanels use ajax to postback via XMLHttpRequest. the ajax request > will send the browser cookies, but the browser does parse the response [quoted text clipped - 16 lines] >> XmlHttpRequest is handling the postback even in this case and does not >> handle Cookies properly ... Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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