The failed to load viewstate error is a frequent problem encountered when creating dynamic asp.net pages when you fail to create the controls exactly the same way each postback.
Questions tagged [failed-to-load-viewstate]
32 questions
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Failed to load viewstate error in asp.net
I have a gridview on my aspx page, wherein i have item and edit templates, on of the column contains the buttons for the edit and delete, once user click on the edit button the row should be enable for the editing and buttons would be changing to…

Abbas
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failed to load viewstate with Report Viewer
I am using Report Viewer 9.0 in .NET Framework 4.0, and changing the ServerURL and ReportPath whenever I click a link button with a different command argument. But the reportviewer failed to load viewstate, giving erros such as:
The control tree…

user2514694
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ViewState data doesn't update when deleting dynamically generated elements
The Entire table is generated dynamically. Addnewrow adds a row and deletebutton deletes the row. The problem lies when deleting the element gets deleted but the viewstate thinks there should be some data and on postback skips a row when entering…

randomdude
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How can I fix the 'failed to load session cinnamon' error in Debian after updating Python?
access to my user session on debian "failed to load session cinnamon"
Hi people, I was traied to update my python version using some commands that I'd found on google. When I tried to login to my session again, it print a message with "failed to…

eduardowmu
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How can I fix the 404 error and display my image on Github gh-pages?
Cant see the image in Github gh-pages but no problem in local.
the error i get is 404
enter image description here
https://erdal-u.github.io/mywebsite/
https://github.com/erdal-u
i have tried with small and big letters and all the ./images/img.jpg…

pushme
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How to change ViewState value in a for loop?
I have a for loop and want too change value of ViewState everytime if statement is true and want it to show it in real time:
int load;
int count;
protected void Button1_Click(object sender, EventArgs e)
{
for (int time = 0; time <…

darieem
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Facing issues in __eventvalidation and __viewstate in jmeter
i have a scenario, as given below
once the user navigating to planning page and
clicks on a menu,
it will open the lists of recipes in week wise.
if the users wants to add a recipe for a particular, it has an option to click on '+', which will open…
0
votes
1 answer
ASP.NET, User Control and ViewState lost the correct data into try get into the user control event
Good afternoon, I have an ASP.NET web page and I created a user control that has some properties that I need to always be retrievable.
ViewState was added to keep information, but the drawback now is that when adding the same control on the same…

M0u53GT
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how to set previous values from all text input to viewstate and retrieve them from specific condition
i have mail.aspx page. which have to a compose mail facility? also, user can select from user account to user, cc and bccs. along with them when update panel update method calls all previous values from text box getting empty. for avoiding them I…

shalin gajjar
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How can i add a row to a data-bound gridview without causing viewstate errors?
I'm trying to add a row grouping row to my data-bound gridview. It works fine on the first response, but at the postback i got the "Failed to load viewstate" error.
There is the code for the GridView's RowDataBound event:
Private Sub…

Robson Rocha de Araujo
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1 answer
How to avoid 'Failed to load viewstate' exception when adding markup to a repeater?
I have a custom control that inherits from Repeater.
I need to inject some markup around the items within the repeater.
Currently im looping around Repeater.Items (OnPreRender) and adding LiteralControls containing the markup. This works great…

Adam Naylor
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Failed to Load Viewstate in Gridview Editing and Deleting
I already searched for possible solutions and I tried the solutions that I searched but none of them really work for me. Everytime I click the link edit button in my gridview to edit certain data I'm having an error message:
Failed to load…

chobowski
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Failed to load viewstate with a composite control
I have created a composite control that changes the controls in it based on the value of one of it's properties called "Type".
The intent is that once this "Type" property is set, it is not changed again for the life of the control, so the controls…

Amanda Kitson
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ViewState doesn't remember value from previous page init
What am I doing wrong here. I can't get ViewState to work:
protected void Page_Init(object sender, EventArgs e)
{
Method1();
}
private void Method1()
{
Element.Click += new EventHandler(Button_Click);
}
public void…

roger morre
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"Cannot load ViewState" after dynamic control changed
In my ASP.NET page I have to dynamically choose and load a custom control, depending on the selected value in a dropdownlist.However I encountered the following problem:
When the parameters of the dynamically loaded control are changed, and then the…

Emil D
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