Rank: Member
Joined: 2/21/2007(UTC)
Posts: 1,113
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I'm seeing a customer hit an error in my live help window on the cart page and yet I have no trouble when I try and checkout, but the Event Log indicates the following. Can anyone offer any suggestion?
Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> 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.[ at System.Web.UI.ClientscriptManager.ValidateEvent(String uniqueId, String argument) at System.Web.UI.Control.ValidateEvent(String uniqueID, String eventArgument) at System.Web.UI.WebControls.TextBox.LoadPostData(String postDataKey, NameValueCollection postCollection) at System.Web.UI.WebControls.TextBox.System.Web.UI.IPostBackDataHandler.LoadPostData(String postDataKey, NameValueCollection postCollection) at System.Web.UI.Page.ProcessPostData(NameValueCollection postData, Boolean fBeforeLoad) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) ] |
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Rank: Member
Joined: 11/5/2003(UTC)
Posts: 2,136
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Do you know this customer? Could they be trying to spoof the page? |
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Rank: Member
Joined: 2/21/2007(UTC)
Posts: 1,113
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Hi Andy,
Not sure who it was -- I just saw the error=returnpath=cart.aspx in my live help window and then looked in the event log. I'm not sure what you mean by "spoof" the page. |
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Rank: Member
Joined: 11/5/2003(UTC)
Posts: 2,136
Was thanked: 1 time(s) in 1 post(s)
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The event validation mentioned in the error message is a built-in feature of ASP.NET used to prevent a form of web site attack. I get these in waves. I have my site setup to send me very detailed reports of errors and I can see that they are posting some very bizzarre stuff, trying, I guess, to hack my site. |
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Rank: Member
Joined: 2/21/2007(UTC)
Posts: 1,113
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Thanks -- it's the first I've seen, but was similar to an error that was corrected in a Hotfix having to do with Account Addresses, so I wanted to check. I'll scan my event log for more, but that's tough since that gets filled with dozens of bad URLs an hour from my old site! |
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