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When the LoginError event fires for the asp:Login control, how can I find why the error happened?
Is there something like an e.ErrorType property that tells me why the login was unsuccessful? Or do I have to check everything manually like in this tutorials:
http://www.asp.net/security/tutorials/validating-user-credentials-against-the-membership-user-store-cs or http://www.aspnettutorials.com/tutorials/controls/howto-errors-login-asp4-csharp.aspx
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You can use the standard ASP.NET MVC ValidationSummary method to render a placeholder for the list of validation error messages. The ValidationSummary() method returns an unordered list (ul element) of validation messages that are in the ModelStateDictionary object.
The ASPError object is used to display detailed information of any error that occurs in scripts in an ASP page. Note: The ASPError object is created when Server. GetLastError is called, so the error information can only be accessed by using the Server. GetLastError method.
Application level error handling allow to detect or handle web application level error handling so that its helps to handle and solve the particular error. 2. Add a <customErrors> element in web. config file for your web application.
There is no "Out-of-the-box" error type information as far as I've seen in the past for the LoginError event (although I agree with you that it would be really nice). In fact, in my experience the EventArgs parameter is always null for me for that event in the asp:Login control =/
It's quite possible that someone else is aware of something I'm not, but I think we are all stuck manually determining why the LoginError occurred for now.
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