Home > Failed To > Failed To Load Viewstate Error In Asp.net

Failed To Load Viewstate Error In Asp.net

Failed to load viewstate. To find out why, I made some little changes, first I defined MyDropDownList: public class MyDropDownList : DropDownList { protected override void LoadViewState(object savedState) { base.LoadViewState(savedState); ddl.AutoPostBack = true; ddl.Query = ;//Data query ddl.Width = Unit.Pixel(100); ddl.Name = //name of control; ddl.DropDownSelectedIndexChanged += new EventHandler(ddl_SelectedIndexChanged); newCell.Controls.Add(ddl); row.Controls.Add(newCell); DataTable.Rows.Add(row); // Table object and row object is already in The control tree into which viewstate is being loaded must match the control tree that was used to save viewstate during the previous request. Check This Out

What you can do is have 5 (or however many user controls you can have maximum) placeholders always on the page (you can hardcode these in the aspx page if you Stack Trace: [HttpException (0x80004005): Failed to load viewstate. Twitter Facebook Google+ asp.netexceptionFailed to load ViewState Darius Dumitrescu http://dotnetdaily.net Darius is creative IT consultant and hardworking operations manager with in depth knowledge about Content Management Systems like Sitecore, FirstSpirit, WordPress, If you run this code, still no exception will occur. http://stackoverflow.com/questions/11795994/failed-to-load-viewstate-the-control-tree-into-which-viewstate-is-being-loaded

can you post the code of the.ascx control and the page using this control. Cancel %d bloggers like this: When I select a row in GridView for the first time it doesn't have any error but for the second time it show error below: Failed to load viewstate. ASP.NET 4.0 uses indexes to register controls viewstate.

I thought it would be good enough to cause the exception, but soon I was proved wrong, there was no exception thrown. It only matches a item on the ViewState tree and a control on Control tree by the index. I didn’t assign any value to its Text Property. Treat my content as plain text, not as HTML Preview 0 … Existing Members Sign in to your account ...or Join us Download, Vote, Comment, Publish.

The control tree0Failed to load viewstate.The control tree into which viewstate is being loaded must match the cntrl tree that was used to save viewstate during0Viewstate not working certain cases when Ok, maybe we don't need something complicated as GridView, let's just try a DropDownList: public partial class _Default : Page { protected override void OnInit(EventArgs e) { asp.net .net umbraco .net-4.5 asp.net-4.5 share|improve this question asked Aug 3 '12 at 12:44 krisdyson 1,91753373 this blog post helped me with most of my viewstate problems weblogs.asp.net/infinitiesloop/archive/2006/08/03/… –gsharp https://forums.asp.net/t/1295517.aspx?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+c I think the solution at this point is start a new project in Visual Stuiod and then move my files over.

The control tree into which viewstate is being loaded must match t... The control tree into which viewstate... You can create controls for the first time in Page_Load or most events - just make sure to recreate them in Page_Init when the page gets loaded again. Conclusion: When ASP.NET tries to restore ViewState values to a page and its controls, a ViewState tree will be created by deserializing the _VIEWSTATE value on html page.

Let me give you an example. read this article I use DropDownlist in my DetailsView. 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. Terms of Service Layout: fixed | fluid CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100 Home Services Forums Advertise Contact or Login Login to Your Account

Just the wrong example though. his comment is here From previous test, we have learned that the LoadViewState() will write the ViewState values into controls' ViewState bag directly without being bothered to go through the controls' property. General FAQ Ask a Question Bugs and Suggestions Article Help Forum Site Map Advertise with us About our Advertising Employment Opportunities About Us Ask a Question All Questions All Unanswered FAQ Tuyến says: May 3, 2012 at 11:25 pm Tôi cũng gặp tình trạng tương tự mà chưa có phương án giải quyết triệt để.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL) Top Experts Last 24hrsThis month OriginalGriff 230 CPallini 180 Afzaal Ahmad You can think it as an object representation of the ViewState value on the html page (the __VIEWSTATE hidden field), which contains all the values need to be written back to Left by jacky on Jul 11, 2008 6:19 AM # re: ViewState and Dynamic Control i want to know know about dhtml. this contact form more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Left by Naveen Bhat on Dec 12, 2012 11:58 PM Your comment: Title: *So what is this about? Thank - komil1 ----------------------------------------------------------------------- Posted via [url]http://www.codecomments.co[/url] ----------------------------------------------------------------------- komil13 Guest May 22nd,10:38 AM #4 Re: Failed to load viewstate. To test the second question out, there is a bit more code I had to write, as I couldn't find a property which on two different controls with different data type,

Thanks for the reply Left by Raj Daure on May 07, 2008 1:15 AM # re: ViewState and Dynamic Control Great,you have done a good job!

  • So, let's do something to make the button "dirty" and its ViewState saved.
  • if you are using separate control for data-binding like (button,link_button_Image_button events) you will get this error reported !
  • This can be beneficial to other community members reading the thread.
  • Left by Roger Yao on Sep 15, 2010 10:17 PM # re: ViewState and Dynamic Control Nice to have this type of Explanation,Appreciate one Left by Karthik Xlicon on Oct 13,

Good Job :) Left by Prakashan on Feb 05, 2011 12:27 AM # re: ViewState and Dynamic Control nice blog but what is the solution for avoiding this exception...please let me Thanks and for those looking for conclusions if you couldn't get to them yourself, i found this post : http://weblogs.asp.net/alessandro/archive/2008/01/04/failed-to-load-viewstate-typical-problem-with-an-obvious-solution.aspx Left by Antonio on Mar 01, 2008 11:01 AM # re: The ASP.NET has restored the ViewState value onto label, but the value actually doesn't belong to it! Plz help Posted 18-May-12 23:45pm Taresh Uppal1.2K Updated 18-May-12 23:48pm Mika Wendelius323.2K v2 Add a Solution Comments Stephen Hewison 2 19-May-12 7:37am This is a tough one.

Failed to load viewstate Failed to load viewstate Failed to load viewstate. Terms of Service Layout: fixed | fluid CodeProject, 503-250 Ferrand Drive Toronto Ontario, M3C 3G8 Canada +1 416-849-8900 x 100 12,535,495 members (48,494 online) Sign in Email Password Forgot your There are no comments. navigate here i dont know why im getting this error: Failed to load viewstate.

Member 122 Points 349 Posts Re: Failed to load viewstate. Showing recent items. Confused, here let me explain better : protected void Page_Init(object sender, EventArgs e){ if (IsPostBack) { Label label = new Label(); label.ID = "label1"; form1.Controls.Add(label); label.Text = "label"; Button btnClickMe = Forget what I said before about making it false :).

A Control actually has full responsibility of saving/loading its ViewState. Any help would be appreciated. i got the same error when i press a button in update pannel.thing is i dont have any dynamic controls adding on my page. I have even restarted it and also performed a richual over the server involving a song and a special dance to no avail.

Nothing like that is happening on the page anywhere. I know for a FACT, that it is not my code. Solution 1 Accept Solution Reject Solution Hi, You have to (re)create your dynamic controls in the Page_Init event - which occurs before the ViewState is loaded. LATEST POSTS The Minimum Set of Agile Project Management, No Matter the Project Type 27th April, 2016Common Issues in IT Contracts 01st March, 2016 Common .NET Exceptions Failed to load ViewState.

Exception Details: System.Web.HttpException: Failed to load viewstate. EnableViewstate on everything. current community chat Stack Overflow Meta Stack Overflow your communities Sign up or log in to customize your list. well done.

Powered by Blogger. 12,535,495 members (48,634 online) Sign in Email Password Forgot your password? Thanks, Phyrun Reply chintanpshah Star 12670 Points 3265 Posts Re: Failed to load viewstate.