Gets or sets a value indicating whether the collection has been marked as changed.
Assembly: System.Web (in System.Web.dll)
In implementing the ISessionStateItemCollection interface, you should initialize the property as false and set the Dirty property to true in the implementations of the Remove, RemoveAt, or Clear methods.
The following code example shows an implementation of the property. For an example of a complete implementation of the ISessionStateItemCollection interface, see the example provided for the ISessionStateItemCollection interface overview.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.