7.2. View State
One of the most common ways to store information is in view state. View state uses a hidden field that ASP.NET automatically inserts in the final, rendered HTML of a web page. It's a perfect place to store information that's used for multiple postbacks in a single web page.
In the previous chapters, you learned how web controls use view state to keep track of certain details. For example, if you change the text of a label, the Label control automatically stores its new text in view state. That way, the text remains in place the next time the page is posted back. Web controls store most of their property values in view state, provided the control's EnableViewState property is set to true (which is the default).
However, view state ...
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