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SqlMembershipProvider.ApplicationName Property

Gets or sets the name of the application to store and retrieve membership information for.

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

public override string ApplicationName { get; set; }
/** @property */
public String get_ApplicationName ()

/** @property */
public void set_ApplicationName (String value)

public override function get ApplicationName () : String

public override function set ApplicationName (value : String)

Not applicable.

Property Value

The name of the application to store and retrieve membership information for. The default is the ApplicationPath property value for the current Request.

Exception typeCondition

ArgumentException

An attempt was made to set the ApplicationName property to an empty string or a null reference (Nothing in Visual Basic).

ProviderException

An attempt was made to set the ApplicationName property to a string that is longer than 256 characters.

The ApplicationName is used by the SqlMembershipProvider to group user information. By qualifying user information with an application name, you can store information for multiple applications in a single database without running into conflicts between duplicate user names. Also, multiple ASP.NET applications can use the same user database by specifying the same value in the ApplicationName property. The ApplicationName property can be set programmatically, or it can be set declaratively in the configuration file for the Web application with the applicationName attribute.

If a value is not specified for the applicationName attribute in the configuration file for the Web application, then the ApplicationPath property value for the first request made to the application is used.

Caution noteCaution:

Because a single default membership provider instance is used for all of the requests served by an HttpApplication object, you can have multiple requests executing concurrently and attempting to set the ApplicationName property value. The ApplicationName property is not thread safe for multiple writes, and changing the ApplicationName property value can result in unexpected behavior for multiple users of an application. We recommend that you avoid writing code to allow users to set the ApplicationName property unless you must. An example of an application where setting the ApplicationName property may be required is an administrative application that manages membership data for multiple applications. Such an application should be a single-user application and not a Web application.

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 application's SqlMembershipProvider instance and sets the ApplicationName to MyApplication.

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

Windows 98, Windows Server 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0, 2.0

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