[Mono-aspnet-list] System.InvalidCastException on LoadViewState

[APS]

Thank you Marek, I'll check for some error in rebuilding objects but 
it's not strange that it works on 2.0.1?

At 21.45 09/10/2009, Marek Habersack wrote:
>Marek Habersack wrote:
> > Stifu wrote:
> >> It sounds a lot like a regression in Mono. Maybe you could file 
> a bug report
> >> with a reduced test case, to bring it to the attention of the developers?
> > I am working on this issue now. Fix should land in svn tonight. 
> I'll follow up when that happens.
>No commit has happened as it turned out not to be a bug in Mono. 
>APS, can you check that you
>recreate the controls on post-back in the same order and number as 
>during normal request? Code which
>is not symmetrical in that regard might work on .NET (by sheer 
>accident, as .NET uses the same types
>to serialize most control's view state whereas Mono doesn't do 
>that), even though particular
>viewstate item might be sent for restore to a control which hasn't 
>created the state.
>
>marek
>
> >
> > marek
> >>
> >> aps-3 wrote:
> >>> Probably I have some custom object inside viewstate, maybe this could
> >>> be the problem, but why it works on MS and Mono 2.0.1? What I can check?
> >>>
> >>> At 11.46 05/10/2009, APS wrote:
> >>>> Hi,
> >>>>
> >>>> yesterday I moved my web application from Mono 2.0.1 to Mono 2.4.
> >>>> Now in some page, during postback I obtain the following error. I
> >>>> will check what there is in viewstate but I can't understand why it
> >>>> works on 2.0.1 and not on 2.4
> >>>> Some change in Mono can cause this problem? It works on MS. Thanks in
> >> advance.
> >>>>
> >>>> System.Web.HttpUnhandledException: Exception of type
> >>>> 'System.Web.HttpUnhandledException' was thrown. --->
> >>>> System.InvalidCastException: Cannot cast from source type to
> >>>> destination
> >>>> type.
> >>>>   at System.Web.UI.StateBag.LoadViewState (System.Object
> >>>> savedState)
> >>>> [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewState (System.Object savedState)
> >>>> [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Control.LoadViewStateRecursive (System.Object
> >>>> savedState) [0x00000]
> >>>>   at System.Web.UI.Page.LoadPageViewState () [0x00000]
> >>>>   at System.Web.UI.Page.RestorePageState () [0x00000]
> >>>>   at System.Web.UI.Page.InternalProcessRequest () [0x00000]
> >>>>   at System.Web.UI.Page.ProcessRequest (System.Web.HttpContext
> >>>> context) [0x00000]
> >>>>   --- End of inner exception stack trace ---
> >>>>   at System.Web.UI.Page.ProcessException (System.Exception e)
> >>>> [0x00000]
> >>>>   at System.Web.UI.Page.ProcessRequest (System.Web.HttpContext
> >>>> context) [0x00000]
> >>>>   at
> >>>> System.Web.HttpApplication+<Pipeline>c__Iterator2.MoveNext ()
> >>>> [0x00000]
> >>>>   at System.Web.HttpApplication.Tick () [0x00000]
> >>>>
> >>>>
> >>>>
> >>>> --
> >>>>
> >>>> Il messaggio e' stato analizzato alla ricerca di virus o
> >>>>
> >>>> contenuti pericolosi da
> >>>> <http://www.mailscanner.info/>MailScanner, ed e'
> >>>>
> >>>> risultato non infetto.
> >>>>
> >>>>
> >>>>
> >>>> _______________________________________________
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> >>>>
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>--
>Il messaggio e' stato analizzato alla ricerca di virus o
>contenuti pericolosi da MailScanner, ed e'
>risultato non infetto.