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Calendar::OnSelectionChanged Method

Raises the SelectionChanged event of the Calendar control and allows you to provide a custom handler for the SelectionChanged event.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web (in System.Web.dll)

protected:
virtual void OnSelectionChanged()

The SelectionChanged event is raised when the user selects a day, a week, or an entire month by clicking the date selector controls.

Raising an event invokes the event handler through a delegate. For more information, see Events and Delegates.

The OnSelectionChanged method also allows derived classes to handle the event without attaching a delegate. This is the preferred technique for handling the event in a derived class.

Notes to Inheritors

When overriding OnSelectionChanged in a derived class, be sure to call the base class's OnSelectionChanged method so that registered delegates receive the event.

The following code example demonstrates how to specify and code a handler for the SelectionChanged event to display the number of items selected in the Calendar control.

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

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

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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