StateItem Class
Represents an item that is saved in the StateBag class when view state information is persisted between Web requests. This class cannot be inherited.
Assembly: System.Web (in System.Web.dll)
View state is the accumulation of a page's or an ASP.NET server control's property values and is sent to the requesting browser in a hidden field.
You can explicitly add StateItem objects to an ASP.NET server control's StateBag object using either the Item property or the Add method. The StateBag then tracks changes to all the items that it stores. Any changes to a StateItem object are reflected in its IsDirty property. These changes are saved by a call to the SaveViewState method during the save view state phase of server control processing, just before the control is rendered to the page. For more information, see ASP.NET Web Server Controls.
The following code example uses the Value and IsDirty properties of the StateItem class to save the state of a simple custom ASP.NET server control class, StateBagSample. When the page has posted to the server, the IsDirty property checks whether the item has been modified. The state values are displayed by accessing the Value property.
Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.