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OnChangeEventHandler Delegate

.NET Framework 4.5

Handles the OnChange event that is fired when a notification is received for any of the commands associated with a SqlDependency object.

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

Syntax

C++

type OnChangeEventHandler = 
    delegate of  
        sender:Object * 
        e:SqlNotificationEventArgs -> unit

Parameters

sender: Type: System.Object
The source of the event.

e: Type: System.Data.SqlClient.SqlNotificationEventArgs
A SqlNotificationEventArgs object that contains the event data.

Remarks

The OnChange event does not necessarily imply a change in the data. Other circumstances, such as time-out expired and failure to set the notification request, also generate OnChange.

Version Information

.NET Framework

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

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Platforms

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.

Reference

System.Data.SqlClient Namespace

Other Resources

ADO.NET Managed Providers and DataSet Developer Center

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