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Forums > Modules > Property Agent
Subject: Postback Error
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BuckUser is Offline
Gold Membership
Ventrian Super Newbie
Ventrian Super Newbie
Posts:12
7/27/2011 4:19 PM  

Hi Guys,

can someone tell me how to fix this error. Since I have updated my site to dnn 5.6 I get this error message when loading photos.

Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page. For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them. If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation

 

Any ideas

Kind regards,

Buck
Scott McCullochUser is Offline
Administrators
Ventrian Master
Ventrian Master
Posts:21233
7/27/2011 4:28 PM  
Hi Buck,

This issue is caused by DNN introducing eventvalidation across the entire site in DNN 5.6.3

You can either:

* Upgrade the latest version which has fixes in for it.

* Disable event validation in web.config (more info here)

Event validation is a security precaution, so most people have opted not to turn it off. Same fixes apply to news articles.
Scott McCulloch
Site Administrator
BuckUser is Offline
Gold Membership
Ventrian Super Newbie
Ventrian Super Newbie
Posts:12
7/27/2011 4:36 PM  
Thanks Scott,
Have updated subscription I forgot. Keep doing a great job your modules are fantastic.


Kind regards,
Buck
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Forums > Modules > Property Agent > Postback Error


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