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Home/ Questions/Q 853765
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Editorial Team
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Editorial Team
Asked: May 15, 20262026-05-15T07:48:53+00:00 2026-05-15T07:48:53+00:00

I am using the builtin ASP.NET logon and user management features. Is there a

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I am using the builtin ASP.NET logon and user management features. Is there a way to just identify if a username or email address is already registered? I would’ve thought it’s part of FormsAuthentication or similar, but can’t find such a function.

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  1. Editorial Team
    Editorial Team
    2026-05-15T07:48:53+00:00Added an answer on May 15, 2026 at 7:48 am

    Check whether Membership.GetUser method returns a null value or not.

    If you want to create a new user and you’re doing this check as a part of that process, try calling Membership.CreateUser method and check the MembershipCreateStatus to get the failure reason, in case it fails.

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