protected virtual void OnItemUpdating(
Exception Condition HttpException
This method is called when the
control is not bound to a data source control, the user did not cancel the update operation, and an event handler is not registered for the event. FormView
method is called by the OnItemUpdating control to raise the FormView event. It is generally used by control developers when extending the ItemUpdating class. FormView
Raising an event invokes the event handler through a delegate. For more information, see
. Raising an Event
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. OnItemUpdating Notes to Inheritors
in a derived class, be sure to call the base class's OnItemUpdating method so that registered delegates receive the event. OnItemUpdating .NET Framework
Supported in: 4.5.1, 4.5, 4, 3.5, 3.0, 2.0
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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