Top "Viewstate" questions

ViewState is the mechanism that allows form field values to be preserved across page postbacks.

Postback not working with ASP.NET Routing (Validation of viewstate MAC failed)

I'm using the ASP.NET 3.5 SP1 System.Web.Routing with classic WebForms, as described in http://chriscavanagh.wordpress.com/2008/04/25/systemwebrouting-with-webforms-sample/ …

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asp.net-mvc routing viewstate mac-address
Is my VIEWSTATE encrypted?

I'm a little confused. I haven't explicitly set the Web.config <pages ViewStateEncryptionMode="Always" />, and so this MSDN …

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asp.net security encryption viewstate
asp.net viewstate encryption

I have a few questions about when and how viewstate is encrypted in asp.net 3.5. For instance, if I have …

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asp.net encryption viewstate
Why SelectedIndexChanged fires for a DropDownList when a button is clicked?

I have an ASP.NET DropDownList with AutoPostBack=true and EnableViewState=false. I have a button on the page that …

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.net asp.net drop-down-menu viewstate autopostback
javax.faces.ViewState is missing after ajax render

This is not a duplicate post, i just done research but not helping. First, this is my page... simplified for …

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jsf jsf-2 richfaces viewstate mojarra
Getting asp.net to store viewstate in the session rather than bulking up the html

I'm trying to get asp.net to store viewstate in the session rather than bulking up the html. Now i've …

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c# asp.net session viewstate
Which is best to use ViewState or hiddenfield

I have a page in which I want to maintain the value of object between post backs. I am thinking …

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c# asp.net viewstate hiddenfield
Devexpress grid - PerformCallback generates Invalid viewstate

I have a DevExpress grid that needs to be refreshed every time the value in a combobox is changed. For …

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asp.net viewstate devexpress aspxgridview
How to produce javax.faces.ViewState hidden field without 'id' and 'autocomplete' attributes

This is what I have in the output HTML document (produced by JSF 2.0/Mojarra 2.0.3): <input type="hidden" name="javax.…

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jsf xhtml facelets viewstate mojarra
ASP.NET custom control: when is LoadPostData() called?

I have developed a custom control that extends ListBox. The idea is that the control 'remembers' modifications to its elements …

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asp.net postback custom-controls viewstate postdata