SqlCacheDependencyAdmin::EnableNotifications Method
Enables SqlCacheDependency change notifications on the specified database.
Assembly: System.Web (in System.Web.dll)
Parameters
- connectionString
- Type: System::String
A connection string used to connect to the SQL Server database.
| Exception | Condition |
|---|---|
| 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.
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.