![]() Its child controls are added during the serverside control lifecycle in a CreateControlHierarchy method. ![]() Our webpart is implemented as a custom control ( ASP.NET Server Control). Windex windows-active-directory sharepoint-dev office-sharepoint-server-development We've checked the request headers of a succesful call versus an unsuccesful one, but the information we get is mostly the same:ĭoes anybody have an idea what might be going wrong? What are we missing?Īny help on this would be greatly appreciated. When a login prompt appears, and you don't enter the correct credentials or click Cancel, the following message appears in the Dev Toolbar console:Īfter an unsuccesful or canceled login attempt, in the Network tab HTTP Status code 401 (Unauthorized) is returned for default.aspx, with Initiator ScriptResource.axd?xxxx: If we get a login prompt while monitoring the Developer Tools Network tab, we see that no network traffic took place nor any console error appeared before the call that initiated the login prompt. Sometimes it happens after some time of user inactivity (for instance after 3 minutes), however the problem doesn't occur systematically. The problem happens when _doPostBack is called within the UpdatePanel, but not always. ![]() Our web part consists of an UpdatePanel and a number of Buttons with (server) click events, and a gridview with a SelectedIndexChanged event. CBA consists of authentication abstraction, using a Secure Token Service (STS), and identification of users with multiple attributes claims not just the traditional username and password pair. The web application has been configured to use Windows Authentication (on-premise Active Directory). SharePoint 2010 introduced Claims-based-Authentication (CBA), also present in SharePoint 2013. Since some time ago some customers complain that they get login prompts while using our webparts on a SharePoint 2013 web part page. ![]()
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