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Testing your ASP.NET control (part 1 of hopefully many): ViewState
A typical ASP.NET server control will store at least some of its properties in ViewState. For example, the Label control saves the value of its Text property in ViewState so that on following postbacks the value does not need to be explicitly set again. In the first part of this series (which I hope will be extensive) we'll see how to write general unit tests for a control, and then write a unit test that ensures a property is being saved in ViewState.