State Management :: Viewstate Verification Failed - Invalid
Aug 9, 2010
I am having this problem with, it seems, Viewstate. This issue only occurs on certain machines, if I browse the website myself it works fine but if another user browses the pages they will lock up and timeout with the error "Viewstate verification failed. Reason: Viewstate was invalid." appering in the event log. Full error is as follows:
Event code: 4009
Event message: Viewstate verification failed. Reason: Viewstate was invalid.
Event time: 8/9/2010 12:09:17 PM
Event time (UTC): 8/9/2010 11:09:17 AM
Event ID: 343dfca250394b109bb5d03b2324f04a
Event sequence: 103
Event occurrence: 4
Event detail code: 50204
Application information:
Application domain: /LM/W3SVC/1/Root/AnseoEnterprise-3-129258250982968750
Trust level: Full
Application Virtual Path: /AnseoEnterprise
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Oct 9, 2010
Now here is the weird thing. First i am running it locally on the built in vs2008 web server.I load my control in fine, do a postback from a linkbutton, locally on my machine it all works fine, no issue.However when it goes onto my host, it falls over with the message:
Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request.Now i also load controls dynamically and use postbacks and things in the admin area of the site...and that works fine, however my front end just keeps failing? See the code behing below:
[Code]....
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Oct 15, 2010
I had to switch to
sessionState
mode="StateServer"
timeout="30"/>
[code]...
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Dec 29, 2010
In our control environment, we've started, somewhat intermittently, getting:
Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
on our website.It also suggests:
Source Error: The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please follow one of the below steps, then request the URL:
1. Add a "Debug=true" directive at the top of the file that generated the error. Example:
<%@ Page Language="C#" Debug="true" %> or:
2) Add the following section to the configuration file of your application:
<configuration>
<system.web>
<compilation debug="true"/>
</system.web>
</configuration>
Note that this second technique will cause all files within a given application to be compiled in debug mode. The first technique will cause only that particular file to be compiled in debug mode.
Important: Running applications in debug mode does incur a memory/performance overhead. You should make sure that an application has debugging disabled before deploying into production scenario.
We already have compilation debug as true. We have upgraded our website to ASP.NET 4.0, although our middle tier components are still at 3.5. As we do in out production machine configs (which are using ASP.NET 3.5) we have
<section type="System.Web.Configuration.MachineKeySection, System.Web, Version=2.0.0.0, Culture=neutral, PublicKeyToken=abcabc123123" allowDefinition="MachineToApplication"/>
we also have one in the new .NET 4.0 machine.config:
<section type="System.Web.Configuration.MachineKeySection, System.Web, Version=4.0.0.0, Culture=neutral, PublicKeyToken=abcabc123123" allowDefinition="MachineToApplication" />
This control environment is not in a server farm. Why is it suggesting that I turn on debug, when it's already on. Why isn't it showing me my source code?
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Mar 1, 2011
I have this 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 and validation algorithm. AutoGenerate cannot be used in a cluster.
my website was designed using dotnet 2003 worked under dotnet framework 1.0 the website was working fine then i had to upgrade the server to windows 2008 iis 7.0 so i configured the website to work under dotnet frame work 2.0 and the problem started to show up
i have tried many
enableViewStateMac="false" viewStateEncryptionMode="Never" enableEventValidation="false"
<machineKey validationKey="AutoGenerate,IsolateApps" validation="SHA1" decryption="Auto" decryptionKey="AutoGenerate,IsolateApps" />
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Jun 25, 2010
I read you can set matching keys in web.config files across a cluster.
But does it have to match across all the seperate apps on the cluster or is it in pairs?
IE... app1 on both clustered servers match or all apps on both servers have the same key?
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Sep 13, 2013
The entire message is Viewstate verification failed. Reason: Viewstate was invalid.
This is getting logged to the eventlog on our "dev" server. It suddenly started to happen. I have been programming locally and I am often (daily, hourly) moving new dll's and pages to the dev server so our BA can test. When my application gets an exception it puts up an error page and there's usually an event logged with "Error" severity - like if an index goes beyond array bounds, etc. The BA is getting the error page, but the message at the time is "Warning" severity and it's this viewstate thing. But the log is indicating it happened in my page. So I don't understand what I could've done to cause it.
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Apr 28, 2010
I deploy a simple web app,that works fine on my local system, on a remote server. The webform consist of a Menu control and a Listview control. If I browse the page and then leave it for like 20 minutes untouched and then try to select an entry from the menu I am getting the following error -
Webpage error details
User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; InfoPath.1; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; AskTB5.6)
Timestamp: Wed, 28 Apr 2010 07:39:24 UTC
Message: Sys.WebForms.PageRequestManagerServerErrorException: An unknown error occurred while processing the request on the server. The status code returned from the server was: 500
Line: 4723
Char: 21
Code: 0
URI: http://www.shoeslocation.com/ScriptResource.axd?d=w3IpLZb6A3e5QHkk7kOTg4vdE8qw_8oIJ-6Kv5NpYYlCqyodfByoMbMvCI7RsUpH3U_p3tMqnuLd_nCq_qPaX4weg2w6s1FlfA_eQbVY-nU1&t=55414254
Before that I used to get the following 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 and validation algorithm. AutoGenerate cannot be used in a cluster.So I added the following to the Pages tag in the web.config validateRequest="false" enableEventValidation="false" viewStateEncryptionMode ="Never"
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Nov 16, 2010
I'm getting the following error in my event log appears many times each hour, if somebody could shed some light it would be very nice... Also I am running server 2008 web server, this is NOT a webfarm.
- <Event xmlns="[URL]/win/2004/08/events/event">
- <System>
<Provider Name="ASP.NET 4.0.30319.0" />
<EventID Qualifiers="16384">1316</EventID>
<Level>4</Level>
<Task>3</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2010-11-15T19:58:53.000000000Z" />
<EventRecordID>269048</EventRecordID>
<Channel>Application</Channel>
<Computer>MYCOMPUTER</Computer>
<Security />
</System>
- <EventData>
<Data>4009</Data>
<Data>Viewstate verification failed. Reason: The viewstate supplied failed integrity check.</Data>
<Data>11/15/2010 2:58:53 PM</Data>
<Data>11/15/2010 7:58:53 PM</Data>
<Data>c90bc32f744a4478bb63271bd76884a4</Data>
<Data>20406</Data>
<Data>44</Data>
<Data>50203</Data>
<Data>/LM/W3SVC/6/ROOT-1-129342688389277791</Data> .........
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May 23, 2010
I am writing a search results page for an airline booking system. I have Next/Previous buttons to view flights for the next or previous days. The way i have done my results grid is that i use an HtmlTable and dynamically add rows, cells and controls into the cells. This gives ultimate flexibility given that we can add any control type we want and have it function as it does everywhere else in the system. As you should be aware - i must recreate these controls each time the page is reloaded (in the page_init event) since asp does not handle this automatically.
When they go next/previous it refreshes the flight data and re-populates the grids. If they select a flight in the return grid (by checking the RadioButton), and go next on the FIRST leg grid, the selection of the return leg stays the same after the postback
- which is great. But the problem is, if the flight they selected on the return leg is no longer available it will not create the control and i get the following error;
"Microsoft JScript runtime error: Sys.WebForms.PageRequestManagerServerErrorException: Failed to load viewstate. The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. For example, when adding controls dynamically, the controls added during a post-back must match the type and position of the controls added during the initial request."
Is there any way to tell asp.net that if you do not find the control anymore, simply ignore it rather than throwing the error? The nature of this design is that there potentioally WILL be a different layout after the page is posted back.
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Jan 11, 2011
I have problem getting values from viewstate in GetTopThemes.
<asp:ObjectDataSource
ID="sourceGetTopThemes"
runat="server"
TypeName="DBConnection"
SelectMethod="GetTopThemes"
EnableViewState="true"></asp:ObjectDataSource>
[Code]....
}
[Code]....
when the page is not Posted back, I saved all values in the viewstate.
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Apr 30, 2010
I have been getting this error a lot lately with some of my users, and I had a couple of concerns with view state and I have read so many articles but I am still lost..
1. I use masterpage on all the pages and I need viewstate for some of the pages but..
There is a page where a user will fill out the information and then submit this data to a cgi server, and it is where I get most of the Client Disconnected errors, what would happen if I disable viewstate when they click on that button?
Now when a user browses from one page to another, does the view state from the previous page get deleted? If not how would I delete it?
Does the master page have its own viewstate? Would I be able to make sure none of items on my master page are using the viewstate?
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May 26, 2010
I am getting this error while executing my Asp.Net application.i am not able to execute application using Visual Studio Interface and when i am trying to execute application from Local IIS. its executing well but when i am trying to click any button for searching etc it is giving this error. The state information is invalid for this page and might be corrupted. The detailed information is
[Code]....
[FormatException: Invalid character in a Base-64 string.] System.Convert.FromBase64String(String s) +0 System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) +72 System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Deserialize(String serializedState) +4 System.Web.UI.Util.DeserializeWithAssert(IStateFormatter formatter, String serializedState) +37 System.Web.UI.HiddenFieldPageStatePersister.Load() +113[ViewStateException: Invalid viewstate. Client IP: 127.0.0.1Port: 1307User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/4.1.249.1064 Safari/532.5ViewState: 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...][HttpException (0x80004005): The state information is invalid for this page and might be corrupted.] System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) +106 System.Web.UI.ViewStateException.ThrowViewStateError(Exception inner, String persistedState) +14 System.Web.UI.HiddenFieldPageStatePersister.Load() +217 System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +105 System.Web.UI.Page.LoadAllState() +43 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +6785 System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +242 System.Web.UI.Page.ProcessRequest() +80 System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21 System.Web.UI.Page.ProcessRequest(HttpContext context) +49 ASP.pages__cmtickets_cmtickets_reports_cmtickets_search_aspx.ProcessRequest(HttpContext context) in c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Filesapp_mobily_alexmare1eddc658e6f2ba5App_Web_b9acfmsy.14.cs:0 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +181 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75
Version Information: Microsoft .NET Framework Version:2.0.50727.3603; ASP.NET Version:2.0.50727.3082
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Jan 13, 2011
I am getting this error "The session state information is invalid and might be corrupted " as i hve checked all my session variable initialized with some default value and the existing code works fine in version 1.1 but on conversion it is giving specified error. The error comes when i simply click on a link to redirect to some other page.
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Aug 24, 2010
I want to know that when we create custom controls, then is there State Management through ViewState done automatically or we have to handle it explicitely ?Since i have created Custom Controls that is behaving as if it is not maintaining its state on PostBack.
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May 20, 2010
I start with a blank ASP.NET page where I disable ViewState for the whole page with EnableViewState=False and even ViewStateMode=Disabled.keep adding various controls to the page -- Label, Table, Calendar, TextBox, DropDownList.Everything looks good, i.e. my __VIEWSTATE tag fluctuates between 24 and 28 characters.As soon as I add a single RadioButton (or CheckBox), the __VIEWSTATE shoots up to 130 characters. And it keeps growing by over 100 characters every time I add another RadioButton.
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Apr 19, 2010
I have a code like this in the Me.LoadComplete event.
[Code]....
Now I would like to set this viewstate("data") = nothing on a certain button click in a user control (.ascx) in this page but it doesnt clear the viewstate. What am I doing wrong? In the onClick even of the button in the .ascx I write Me.viewstate("data") = Nothing
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Jul 22, 2010
I want to use textbox value after I visit from current to other page then again to current page using viewstate but value should be the one when I was current page last time.
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May 3, 2010
I am creating a simple string of values that get added to a label after a post back. I am setting the values thorugh ViewState. However, my appended values do not get updated until AFTER the 2nd postback. Example:
On Page_Load the label displays a "0";
If I enter a "1" in the text box and click the button the label still displays a "0";
If I click the button again (the 2nd postback) then my label correctly displays "0,1"; This works for whatever value I enter after. i.e. "0,1,35,hello world", etc.
What I am I missing? Code Below.
.ascx - I left out inherits and codebehind
[Code]....
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Dec 22, 2010
have some viewstate value in my opener window ,when i close the popup i want to set new value in the opener viewstate.
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Sep 8, 2010
I have created a custom control that extends the class ImageButton, the thing is that I now also want to save this control to a viewstate.
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Oct 25, 2010
how save int array in viewstate?
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Sep 16, 2010
I am developing a a web application of a general store where the operator has to enter the things what customer has purchased. Like daily usage item,or anything. So I have form in which I first ask how much item u wannt to register...(if he has 20-30 number of items then operator will enter 20-30 then in gridview 20-30 item are opened. With bind dropdownbox containing name of item ,then textboxs containing mrp, value, stock avail of that item. Here is the link for demo. [URL]. Problem is suppose the operator enter the value above 20, then viewstate size id about 1.50Mb that's too heavy.
[Code]....
Here is .cs code
[Code]....
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Jan 31, 2011
I stored a list<mytype> object in a viewstate. Type of list<mytype> comes from a public structure which is defined at page.
When I try to convert viewstate to a list<mytype> object it cause error.
Public struct mytype
{....}
Page_load()
{ list<mytype> obj = new list<mytype>();
viewstate["mystate"]=obj
}
My_function(){
list<mytype> tempobj = new list<mytype>();
tempobj = (list<mytype>)viewstate["mystate"];// this line cause error !
}
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May 27, 2010
I want to store List<Class> object to ViewState, when i try to do this than its giving me error to make class serialize,but my class is partial class so didn't get serialize keyword on class how can i store List object to viewstate.
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