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In some cases, this view state can get quite large and be a potential source of problems. Is the sum of singular and nonsingular matrix always a nonsingular matrix? If your hidden field will be greater than that specified value, then sometimes firewalls and proxy servers refuse to let your data passes through. And in that case you have to disable your view state .This might cause many problem if you want your data to be passed.

The machineKey node should be within eg. Click to expand... The default value is -1 which indicates there is no maximum limit of data. attribute, because it is implicit by default that <%@ Page ... that means that in production you have for example 10 records and in sandbox 1000 records, and you are shown all records on VF page in editable mode (so all fields https://support.microsoft.com/en-us/kb/829743

State Error Covariance Matrix

Advisor professor asks for my dissertation research source-code Why didn’t Japan attack the West Coast of the United States during World War II? This approach is not 100% secure. 3) Configure ASP.NET to not use Auto-Generated Key but rather a predefined key. If so, you could introduce security holes In general, Microsoft recommends that you not turn off the view state MAC feature unless you are completely confident that you have either disabled Don't forget to set a ViewStateUserKey.

He recommends making sure all javascript blocks are wrapped with // or simply changing the doctype (which could cause other css/styling problems on your page). I think it's when the user posts back (or possibly calls back) before the page has finished loading, so not all the javascript that gets tagged on the end of the Interlace strings Why does the Developer Console show different extensions like "apxc" and "apxt"? Steady State Error Example Someone is using an old version of IE on the mac where it truncates hidden form fields.

I'll point out though that on rare occasions nothing works because of the way your program is written. I have hosted the website in intranet and concurrently the details were entered by 100 users. I already saw this thread: http://community.discountasp.net/showthread.php?t=12941 http://community.discountasp.net/showthread.php?t=2719 http://community.discountasp.net/showthread.php?t=9605 I already tried all the solutions mentioned in this thread's but nothing resolves my problem. http://stackoverflow.com/questions/576990/should-i-ignore-the-occasional-invalid-viewstate-error Server.Transfer is being used in code.

AutoGenerate cannot be used in a cluster.] > System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) +106 > System.Web.UI.ViewStateException.ThrowMacValidationError(Exception inner, String persistedState) +14 > System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) +242 > System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Deserialize(String serializedState) +4 Steady State Error Wiki Though, technically there is no known way to calculate Viewstate in visualforce via Salesforce Apex API, we just need to code within the best practices boundaries and that usually make sure I know I should really be drastically decreasing the size of the ViewState, but this is a large legacy code base and a change like that would be very invasive. To do this, follow these steps: a) Either build your own Key Generator (http://support.microsoft.com/kb/313091/EN-US/) or use this tool (http://www.aspnetresources.com/tools/keycreator.aspx).

State Error In Each Phase Of Compiler

Salesforce Stack Exchange works best with JavaScript enabled Sign InJoin SearchIIS Home Downloads Learn Get Started Install Manage Develop Publish Troubleshoot Extensions Media Application Frameworks Web Hosting Reference Solutions Technologies .NET https://developer.salesforce.com/forums/?id=906F000000099GbIAI Need help? State Error Covariance Matrix I highly recommend you use the online tool. Step Input Steady State Error What's this I hear about First Edition Unix being restored?

I am completely stuck! The errors sound a little different because I never get a 'corrupt' view state message - just the Invalid viewstate. The website hanged! In this case you'll need to move viewstate out of the page into session state. Steady State Error System Type

Though i understand the code would be too big to fit in a forum question :)January 12, 2012 · Like0 · Dislike0 Ankit AroraBlogged some more info here :   http://forceguru.blogspot.com/2010/11/best-practise-to-write-apex.html Inner Source: ************************************************************************** `2014-08-11 10:05:54,875 [82] INFO ASP.global_asax servername : - ************************* 11/08/2014 10:05 **************************** IP Address: xx.x.xxx.xx Exception Type: System.Web.HttpException Exception: Request timed out. Quicker and quieter than a mouse, what am I? but i had some issues with Javascript functions under postback in2.0 versions.

If this happens, reload the first page and start again. Steady State Error Pdf If this application is hosted by a Web Farm or cluster, ensure that configuration specifies the same validationKey and validation algorithm. up vote 47 down vote favorite 34 Every now and then (once every day or so) we're seeing the following types of errors in our logs for an ASP.NET 3.5 application

So taking out from my web.config file solved this problem, and the program compiled without a warning.

If this is the case consider setting EnableViewStateMac = "False". No. We have tested the website with 50 concurrent users and did not get any error! Steady State Error Ppt Search for an answer or ask a question of the zone or Customer Support.

Source: System.Web Stack Trace: at System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) at System.Web.UI.ViewStateException.ThrowViewStateError(Exception inner, String persistedState) at System.Web.UI.ClientScriptManager.EnsureEventValidationFieldLoaded() at System.Web.UI.ClientScriptManager.ValidateEvent(String uniqueId, String argument) at System.Web.UI.Control.ValidateEvent(String uniqueID, String eventArgument) at Remember MeLogin English (en) English (en) Support Portal Knowledge BaseFind answers to common questionsNewsView latest news itemsControl PanelOrcsWeb Control Panel Article Rating *****Click to rate 0 Rating(s) 0 0 0 AutoGenerate cannot be used in a cluster. > > Source Error: > > > [No relevant source lines] > > > Source File: c:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\90f2c220\7a829f89\App_Web_z7wwxzpp.3.cs Line: 0 > > Stack Update to answer comment: Of the top of my head I come up with 3 opportunities to turn off ViewState.

The validationKey attribute of the element is set to AutoGenerate in the configuration file. You can obtain the latest Microsoft .NET Framework updates from the following Microsoft Developer Network (MSDN) Web site: http://msdn.microsoft.com/en-us/netframework/aa569276.aspx Set the validationKey attribute if you are running in a Web farm Signup for a Developer Edition Browse by Topic Apex Code Development (56559) General Development (42840) Visualforce Development (29169) Formulas & Validation Rules Discussion (6993) APIs and Integration (6720) Jobs Board (6108) As ASP.NET developers we often tend to use ViewState in all sort of places where it isn't needed because its the default.

share|improve this answer answered Jan 3 '15 at 9:21 VarunC 1,8861333 add a comment| up vote 1 down vote Please see the answer I posted to best-practices-for-custom-controller-actions which includes a summary I wish it were disabled by default so people were forced to think this way, but it isn't. Disabling it often lead to better page load times, so if you can, do it. If you have user authentication you should also set a ViewStateUserKey to guard against CSRF. –blowdart Aug 27 '09 at 6:06 add a comment| up vote 5 down vote One issue

So to overcome this problem you can do viewstate chunking. Removing the extra postback stopped the exceptions for me. Article ID: 248, Created On: 8/7/2009, Modified: 5/25/2012 Comments (0)Show MoreAdd Comment Submit Management Interface 1 Active User(s) © 2016 SmarterTools Inc. | Help Desk Software | SmarterTrack Enterprise 7.7 They always occur for valid reasons, some of which are already listed in the other answers.

Actions Print Add Favorite Share Digg Facebook Reddit Twitter Why am I am getting the following ViewState error: "The View State is invalid for this page and might be corrupted"?We have Thanks a Lot richof, Oct 19, 2011 #19 ramp Invalid ViewState I encountered this error while moving from a page to another page

After doing research on the Dozens of earthworms came on my terrace and died there Was user-agent identification used for some scripting attack techique? Or maybe their connection is tempermental and the transfer is interrupted momentarily.Click to expand...

Bruce, Apr 28, 2006 #8 thinksomid hi dear support i have this error on some weak web hostings and im very glad that just one time i had same error ondiscountasp How to Fill Between two Curves Will I encounter any problems as a recognizable Jew in India? Could a user cause this error by exiting the browser or hitting the stop button during the time the view state information was being transferred back to the client? Yes, my password is: Forgot your password?

Here is My web.config