viewstate errors

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sometimes clients get : viewstate invalid error , anyone knows why ?

by: Ersin Gençtürk | last post by:

Server : WEB System.Web.HttpUnhandledException: Exception of type System.Web.HttpUnhandledException was thrown. ---> System.Web.HttpException: The View State is invalid for this page and might be corrupted. at System.Web.UI.Page.LoadPageStateFromPersistenceMedium() at System.Web.UI.Page.LoadPageViewState() at System.Web.UI.Page.ProcessRequestMain() --- End of inner exception stack trace --- at System.Web.UI.Page.HandleError(Exception e)...

ASP.NET

1963

Viewstate Errors

by: Mind Dragon | last post by:

I have an ASP application that works fine locally but when it's uploaded occasionally, I get viewstate errors. Another thing is that the viewstate for that page is disabled. There are cases where I can just refresh the page and it goes through ok <%@ Page Language="VB" EnableViewState="false" Debug="true" % The worker threads are set to one, however, it is running on a dual processor web server. The Load Balancer is not installed. What...

ASP.NET

1982

Viewstate errors

by: Janaka | last post by:

We have managed to lock down 99% of the application errors occurring in our asp.net sites. The only errors which occur on a regular basis now are viewstate errors. We have disabled viewstate on the majority of pages but kept them where absolutely necessary, such as shopping carts, adding items, etc. Also we've made sure the following have been met: EnableViewStateMac = false Disabled viewstate on all controls which are unnecessary...

ASP.NET

1820

Viewstate error with Macintosh browsers... a clue.

by: Max Metral | last post by:

I get sporadic viewstate errors from Macintosh browsers. I get mailed the form values when this happens, and it appears that the problem is the encoding of the POST value from the browser. Something like: __EVENTTARGET=&__EVENTARGUMENT=&__VIEWSTATE=dDwxOTk2NDc2Nzk0OztsPFQ<more stuff cut out>hM%3d&T%3aH%3aR%3aAToken=&T%3aH.... As you may see, the arguments after viewstate are just a mess. The browser seems to be escaping stuff it...

ASP.NET

2472

Invalid ViewState

by: Nad | last post by:

Hello, I have a page with two link buttons. When I click on the first one I call server.execute("target.aspx") to view target.aspx on the original page. Then I click on the second link button and in this case I redirect to another page, HOWEVER, I get Invalid ViewState exception. I know the problem stems from server.execute but don't know why. Any Ideas? Thank you.

ASP.NET

3077

Viewstate issues after move to 2.0 from 1.1

by: Robert | last post by:

I have an app that was originally 1.1, now migrated to 2.0 and have run into some sporadic viewstate errors...usually saying the viewstate is invalid, eventvalidation failed or mac error. My web config does specify a machinekey setting: <machineKey validationKey="447C05E8B3A71401CC4CAE5513A7F1A3494A3618EE819316AAD1D58433F236A759D66FB4154500E01EB4E1BC1DE42046E2D652D391CB8367A1649438867A02EB"...

ASP.NET

1344

Trying to store items in the viewstate... wont work

by: Tarun Mistry | last post by:

Hi all, im attempting to use the ViewState instead of the hidden values normally used in procedural web development, however i cant seem to get anything to add into it or load correctly from it. I am trying to navigate through 4 stages of my script and saving data as i go along. Typically i would use hidden variables however as there are no server controls for these built in, i presumed they shouldnt be used as I have no way of setting...

ASP.NET

4044

Checking the contents of the ViewState?

by: Tarun Mistry | last post by:

Hi there, is there a simple way to check if something is in the viewstate without getting null pointer errors? I.e. obviously the "exisits" method doesnt exisit, i have just put it there to explain my point if(exisits(ViewState )) { }

ASP.NET

2931

Errors: Failed to load viewstate. & Validation of viewstate MAC failed.

by: sck10 | last post by:

Hello, I have applications that produce the following error when they have been open to long without activity. Is there any way to force a re-load of the page or go to another page if the page has expired instead of getting the error? Thanks,

ASP.NET

2585

crypographic and viewstate errors

by: scottrm | last post by:

Hi We have been getting 2 intermitent errors in the event log detailed below. They are occurring on a server where the web site is stopping responding periodically and needs to be brought back up by recycling the application pool. We have 2 servers which are hardware load balanced with sticky sessions We are on Windows 2003 SP1 and .Net framework V2.0 1.

ASP.NET

8341

Changing the language in Windows 10

by: Hystou | last post by:

Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it. First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...

Windows Server

8751

Maximizing Business Potential: The Nexus of Website Design and Digital Marketing

by: jinu1996 | last post by:

In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth. The Art of Business Website Design Your website is...

Online Marketing

8539

The easy way to turn off automatic updates for Windows 10/11

by: Hystou | last post by:

Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...

Windows Server

8630

Discussion: How does Zigbee compare with other wireless protocols in smart home applications?

by: tracyyun | last post by:

Dear forum friends, With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...

General

7360

AI Job Threat for Devs

by: agi2029 | last post by:

Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own.... Now, this would greatly impact the work of software developers. The idea...

Career Advice

6181

Access Europe - Using VBA to create a class based on a table - Wed 1 May

by: isladogs | last post by:

The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules. He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms. Adolph will...

Microsoft Access / VBA

5650

Couldn’t get equations in html when convert word .docx file to html file in C#.

by: conductexam | last post by:

I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one. At the time of converting from word file to html my equations which are in the word document file was convert into image. Globals.ThisAddIn.Application.ActiveDocument.Select();...

C# / C Sharp

4176

Trying to create a lan-to-lan vpn between two differents networks

by: TSSRALBI | last post by:

Hello I'm a network technician in training and I need your help. I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs. The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols. I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...

Networking - Hardware / Configuration

4342

Windows Forms - .Net 8.0

by: adsilva | last post by:

A Windows Forms form does not have the event Unload, like VB6. What one acts like?

Visual Basic .NET