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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)

'Declaration
Public MustOverride ReadOnly Property RequiresUniqueEmail As Boolean

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 Nothing and a status value of DuplicateEmail.

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

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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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