Failed to load viewstate

**Cowboy \(Gregory A. Beamer\)** · Jun 27 '08, 08:06 PM

Re: Failed to load viewstate

Essentially, the framework pulls the viewstate and starts matching controls
to their viewstate values. You might then have new values from the submit,
which overrides these values. Then viewstate is reset.

By design, it fails if it has a value that does not match a control. This is
most common with dynamically added controls. That leads to this question:

Are you using dynamically added controls? If so, you have to place them on
the page before ViewState is pulled by the CLI ... IF they use viewstate on
these controls, that is.

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Gregory A. Beamer
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"Sanjay Pais" <sdpais@athotma ildot.comwrote in message
news:uQH9p9ruIH A.4952@TK2MSFTN GP05.phx.gbl...

We keep getting this error on one of our web pages. I have absolutely no
idea which control is causing the problem. How do i diagnose and fix this
problem?
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It has been driving us nuts!
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Thanks
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Sanjay
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System.Web.Http Exception: Failed to load viewstate. The control tree into
which viewstate is being loaded must match the control tree that was used
to save viewstate during the previous request. For example, when adding
controls dynamically, the controls added during a post-back must match the
type and position of the controls added during the initial request.
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at System.Web.UI.C ontrol.LoadView StateRecursive( Object savedState)
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at System.Web.UI.C ontrol.LoadChil dViewStateByInd ex(ArrayList childState)
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at System.Web.UI.C ontrol.LoadView StateRecursive( Object savedState)
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at System.Web.UI.C ontrol.LoadChil dViewStateByInd ex(ArrayList childState)
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at System.Web.UI.C ontrol.LoadView StateRecursive( Object savedState)
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at System.Web.UI.C ontrol.LoadChil dViewStateByInd ex(ArrayList childState)
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at System.Web.UI.C ontrol.LoadView StateRecursive( Object savedState)
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at System.Web.UI.C ontrol.LoadChil dViewStateByInd ex(ArrayList childState)
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at System.Web.UI.C ontrol.LoadView StateRecursive( Object savedState)
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at System.Web.UI.C ontrol.LoadChil dViewStateByInd ex(ArrayList childState)
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at System.Web.UI.C ontrol.LoadView StateRecursive( Object savedState)
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at System.Web.UI.C ontrol.LoadChil dViewStateByInd ex(ArrayList childState)
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at System.Web.UI.C ontrol.LoadView StateRecursive( Object savedState)
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at System.Web.UI.C ontrol.LoadChil dViewStateByInd ex(ArrayList childState)
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at System.Web.UI.C ontrol.LoadView StateRecursive( Object savedState)
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at System.Web.UI.C ontrol.LoadChil dViewStateByInd ex(ArrayList childState)
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at System.Web.UI.C ontrol.LoadView StateRecursive( Object savedState)
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at System.Web.UI.C ontrol.LoadChil dViewStateByInd ex(ArrayList childState)
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at System.Web.UI.C ontrol.LoadView StateRecursive( Object savedState)
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at System.Web.UI.C ontrol.LoadChil dViewStateByInd ex(ArrayList childState)
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at System.Web.UI.C ontrol.LoadView StateRecursive( Object savedState)
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at System.Web.UI.C ontrol.LoadChil dViewStateByInd ex(ArrayList childState)
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at System.Web.UI.C ontrol.LoadView StateRecursive( Object savedState)
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at System.Web.UI.P age.LoadAllStat e()
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at System.Web.UI.P age.ProcessRequ estMain(Boolean
includeStagesBe foreAsyncPoint, Boolean includeStagesAf terAsyncPoint)
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Failed to load viewstate

Failed to load viewstate

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