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SqlMembershipProvider.RequiresUniqueEmail Property

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

Namespace:  System.Web.Security
Assembly:  System.Web (in System.Web.dll)

public override bool RequiresUniqueEmail { get; }

Property Value

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

The following code example shows the membership element in the system.web section of the Web.config file for an ASP.NET application. It specifies the SqlMembershipProvider instance and configures it to require a unique e-mail address for each user name.

<membership defaultProvider="SqlProvider" userIsOnlineTimeWindow="20">
  <providers>
    <add name="SqlProvider"
      type="System.Web.Security.SqlMembershipProvider"
      connectionStringName="SqlServices"
      enablePasswordRetrieval="false"
      enablePasswordReset="true"
      requiresQuestionAndAnswer="true"
      passwordFormat="Hashed"
      requiresUniqueEmail="true"
      applicationName="MyApplication" />
  </providers>
</membership>

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

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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