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MembershipProvider.RequiresUniqueEmail Property

Gets a value indicating whether the membership provider is configured to require a unique e-mail address for each user name.

Namespace:  System.Web.Security
Assembly:  System.Web.ApplicationServices (in System.Web.ApplicationServices.dll)
public abstract bool RequiresUniqueEmail { get; }

Property Value

Type: System.Boolean
true if the membership provider requires a unique e-mail address; otherwise, false. The default is true.

The RequiresUniqueEmail property indicates whether users must supply a unique e-mail address value when creating a user. If a user already exists in the data source for the current ApplicationName, then the CreateUser method returns null and a status value of DuplicateEmail.

For an example of a MembershipProvider implementation, see Implementing a Profile Provider.

.NET Framework

Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4

Windows Phone 8.1, Windows Phone 8, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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