Re: asp.net problem, viewstate mac
- From: Jacques Bosch <jfbosch@xxxxxxxxx>
- To: programmingblind@xxxxxxxxxxxxx
- Date: Fri, 19 Nov 2010 07:58:09 +0200
Perhaps you already read these pages, but anyway.
http://blogs.msdn.com/b/tom/archive/2008/03/14/validation-of-viewstate-mac-failed-error.aspx
http://www.eukhost.com/forums/f15/fix-validation-viewstate-mac-failed-6085/
On Thu, Nov 18, 2010 at 4:21 PM, sameer manohtra
<sameermanohtra@xxxxxxxxx>wrote:
> Hi guys,
> I’ve trapped into a problem yet again:
> I’m developing a website using asp.net and I have encountered a
> problem where i’d like to know from you guys.
>
> I have developed a page where there’s a gridview control that’s
> showing data from the database, and a textbox and button that
> stores the value in the database.
> Its all working fine on my computer (LOCALHOST), but on live server it
> seemed to have messed up.
>
> Simply, when I try to place a text in textbox and click button for add
> (which should store the data into database), I get this strange error:
> “Validation of viewstate MAC failed. If this application is hosted by
> a Web Farm or
> cluster, ensure that <machineKey> configuration specifies the same
> validationKey”.
>
>
>
> from some googling I found that this can be fixed by placing following
> in web.config:
> enableViewStateMac="false"
> viewStateEncryptionMode="Never"
> enableEventValidation="false"
>
>
> unfortunately, when I’ve added this to my web.config, the page did not
> load and started giving runtime error.
>
> I have even tried to place the same code in .aspx file, result of
> which too was similar (RunTime Error).
>
> Does someone have any solution?
>
> Please, share it, I’m in high
> Need to do the same.
>
> Any response will be appreciated.
>
> Sameer!
> __________
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>
>
--
Jacques Bosch
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