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IStateManager.SaveViewState Method

When implemented by a class, saves the changes to a server control's view state to an Object.

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

'Declaration
Function SaveViewState As Object

Return Value

Type: System.Object
The Object that contains the view state changes.

        ' Implement the SaveViewState method. If the StateBag 
        ' that stores the MyItem class's view state contains 
        ' a value for the message property and if the value 
        ' has changed since the TrackViewState method was last  
        ' called, all view state for this class is deleted,  
        ' using the StateBag.Clear method,and the new value is added. 
        Function SaveViewState() As Object Implements IStateManager.SaveViewState
            ' Check whether the message property exists in  
            ' the ViewState property, and if it does, check 
            ' whether it has changed since the most recent 
            ' TrackViewState method call. 
            If Not CType(_viewstate, IDictionary).Contains("message") OrElse _viewstate.IsItemDirty("message") Then
                _viewstate.Clear()
                ' Add the _message property to the StateBag.
                _viewstate.Add("message", _message)
            End If 
            Return CType(_viewstate, IStateManager).SaveViewState()
        End Function 'IStateManager.SaveViewState

.NET Framework

Supported in: 4.5.2, 4.5.1, 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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