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.NET Framework Class Library
IStateManagerTrackViewState Method

When implemented by a class, instructs the server control to track changes to its view state.

Namespace:   System.Web.UI
Assembly:  System.Web (in System.Web.dll)
Syntax
Sub TrackViewState
void TrackViewState()
void TrackViewState()
abstract TrackViewState : unit -> unit
Remarks

After this method has been called on a server control, the IsTrackingViewState property will return true.

Examples
' Implement the TrackViewState method for this class by 
' calling the TrackViewState method of the class's private 
' _viewstate property. 
Sub TrackViewState() Implements IStateManager.TrackViewState
    CType(_viewstate, IStateManager).TrackViewState()
End Sub 'IStateManager.TrackViewState
// Implement the TrackViewState method for this class by 
// calling the TrackViewState method of the class's private 
// _viewstate property. 
void IStateManager.TrackViewState()
{
    ((IStateManager)_viewstate).TrackViewState();
}
Version Information

.NET Framework

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