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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>

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0
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