SqlCacheDependencyAdmin.EnableNotifications Method

Enables SqlCacheDependency change notifications on the specified database.

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

public:
static void EnableNotifications (
	String^ connectionString
)
public static void EnableNotifications (
	String connectionString
)
public static function EnableNotifications (
	connectionString : String
)
Not applicable.

Parameters

connectionString

A connection string used to connect to the SQL Server database.

Exception typeCondition

HttpException

A connection to the database could not be established.

-or-

The security context of the ASP.NET application does not have permission to connect to the database.

-or-

The security context of the ASP.NET application does not have permission to disable notifications for the database.

The EnableNotifications method adds support for change notifications from the database specified in the connectionString parameter. Once you have run the EnableNotifications method, you must run the DisableNotifications method if you wish to disable change notifications for a database.

The following code example uses the EnableNotifications method to enable change notifications for the database specified by the connection string MyConnectionString.

For the full code required to run the example, see the Example section of the SqlCacheDependencyAdmin class overview topic.

No code example is currently available or this language may not be supported.

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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