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What does the "EnableViewState" property do? Why would I want it on or off?
on 9/10/2008 | Category:
ASP.NET Interview questions
| Views: 12066
It enables the viewstate on the page. It allows the page to save the users input on a form.
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The best answer is as follows
Enable ViewState turns on the automatic state management feature that enables server controls to re-populate their values on a round trip without requiring you to write any code. This feature is not free however, since the state of a control is passed to and from the server in a hidden form field. You should be aware of when ViewState is helping you and when it is not.
For example, if you are binding a control to data on every round trip (as in the datagrid example in tip #4), then you do not need the control to maintain it?s view state, since you will wipe out any re-populated data in any case. ViewState is enabled for all server controls by default. To disable it, set the EnableViewState property of the control to false.
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