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SqlNotificationType Enumeration

Describes the different notification types that can be received by an OnChangeEventHandler event handler through the SqlNotificationEventArgs parameter.

Namespace:  System.Data.SqlClient
Assembly:  System.Data (in System.Data.dll)

public enum SqlNotificationType

Member nameDescription
ChangeData on the server being monitored changed. Use the SqlNotificationInfo item to determine the details of the change.
SubscribeThere was a failure to create a notification subscription. Use the SqlNotificationEventArgs object's SqlNotificationInfo item to determine the cause of the failure.
UnknownUsed when the type option sent by the server was not recognized by the client.

The SqlNotificationType enumeration is referenced by an instance of the SqlNotificationEventArgs class. This information is provided when a notification event is fired with the SqlDependency class.

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

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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