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POASP.NET 4.0 ViewState Invalid Error Just Won't Go
 

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  1. POASP.NET 4.0 ViewState Invalid Error Just Won't Go
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    <p>I have HealthMonitoring on for my website. 90% of my pages are accessed in the format</p> <p><a href="http://www.itsmywebsite.com/showproduct.aspx?id=somenumber" rel="nofollow">http://www.itsmywebsite.com/showproduct.aspx?id=somenumber</a> I was checking the WebEvents_events tables and saw that my table is full of this error</p> <pre><code>0002609ad8vdf45f8daffc7de8716e32 2013-11-25 17:01:18.153 2013-11-25 11:01:18.153 System.Web.Management.WebViewStateFailureAuditEvent 9877 1455 4009 50204 Viewstate verification failed. Reason: Viewstate was invalid. C:\HostingSpaces\parthak\itsmywebsite.com\wwwroot\ / C15472-132183 http://www.itsmywebsite.com/showproduct.aspx NULL Event code: 4009 Event message: Viewstate verification failed. Reason: Viewstate was invalid. Event time: 11/25/2013 11:01:18 AM Event time (UTC): 11/25/2013 5:01:18 PM Event ID: 0002609ad8vdf45f8daffc7de8716e32 Event sequence: 9877 Event occurrence: 1455 Event detail code: 50204 Application information: Application domain: /LM/W3SVC/94/ROOT-1-1302342423433586 Trust level: Full Application Virtual Path: / Application Path: C:\HostingSpaces\parthak\itsmywebsite.com\wwwroot\ Machine name: C15472-132183 Process information: Process ID: 28796 Process name: w3wp.exe Account name: C15472-132183\itsmywebsitecom_web Request information: Request URL: http://www.itsmywebsite.com/showproduct.aspx Request path: /showproduct.aspx User host address: 186.xx.xxx.xx User: Is authenticated: False Authentication Type: Thread account name: C15472-132183\itsmywebsitecom_web ViewStateException information: Exception message: Invalid viewstate. Client IP: 186.xx.xxx.xx Port: 29991 Referer: Path: /showproduct.aspx User-Agent: Mozilla/4.0 (compatible; Synapse) </code></pre> <p>There were a few SO threads that suggested that setting EnableViewStateMac to false solves the issue. But in my case it doesn't. </p> <p>What else do I do or look?</p>
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    1. COHave you tried setting the machineKey value in your web.config? The answer here: http://stackoverflow.com/questions/650353/in-asp-net-i-sometimes-get-the-following-error-viewstate-verification-failed?rq=1 has more info.
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      1. POASP.NET 4.0 ViewState Invalid Error Just Won't Go
      1. USBrent Mannering
    2. COyes I have already done that. No effect.
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    3. COWhat version of .net are you using? Are you using a CMS? I'm guessing you are using a hosting service. This could be due to caching on load balancers.
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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

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