ASP.NET Dirty in the context of ViewState

What does "dirty" mean in the context of ViewState?

How does ViewStat开发者_如何学编程e benefit from marking something as "dirty"?

Are you talking about the IsItemDirty-property of the StateBag class? This property is used to mark whether or not a particular item has been changed during the current request.

Here's a rather old article that explains some of it: http://msdn.microsoft.com/en-us/magazine/cc188774.aspx