viewstate

Failed to load viewstate...

Yes, it's the infamous viewstate again! Now I am aware that problems can ocurr if you load controls in the wrong order or if the viewstate IDs are incorrect after postbacks etc etc. But my issue is that I am not really creating any controls dynamically - I only have one user control on the page. More importantly, the issue seems to be...

What are the best practices to persist`Conversational state' in ASP.NET MVC applications?

What is the ultimate workaround?) Desired scenarios are: Multistep forms. If a page has tabs on it, the tabs should persist their `viewstate' Whatever navigation user has chosen, it shouldn't affect (more appropriately, bother) the conversational state management. Those are just several aspects, but I find them much practically rele...

ASP.NET - Viewstate Size

Is there a reliable method for viewing the size of the viewstate on any given postback? Thanks ...

How to optimize class for viewstate

If I have an object I need to store in viewstate, what kinds of things can I do to optimize the size it takes to store the object? Obviously storing the least amount of data will take less space, but aside from that, are there ways to architect the class, properties, attrbutes etc, that will effect how large the serialized output is? ...

ASP.NET MVC: How to create a basic Pseudo Viewstate? Or better solution?

I am newish to MVC and understand all the great things about it, including the reasons why viewstate isn't available, however there are some circumstances where I think having some kind of view state will be quite handy, In my case I am thinking about list pages with various search filters that can be applied to the list. Would it be wo...

Working with Controls inside Asp.Net Templated Controls

Can anyone explain to me in a brief nutshell how to programatically add controls into a templated control and just as importantly handle the events raised by these new controls. I'm not building a templated control from scratch, but inheriting from the repeater, to add paging and sorting functionality above and below the native output....

ASP.NET- forcing child/container events to fire before parent onload?

I'm working on a questionnaire type application in which questions are stored in a database. Therefore, I create my controls dynamically on every Page.OnLoad. This works like a charm and ViewState is persisted between postbacks because I ensure that my dynamic controls always have the same generated Control.ID. In addition to the user ...

ViewState Issue - Custom Controls in a GridView

I have a gridview that is populated on the Page_Load event if !PostBack is true. The gridview has several column, each header template has a custom control that I'm using to sort the data in a more efficient way than what the ASP.NET gridview offers. These custom controls have an OnSort event, I have tried defining them in the markup (...

GridView doesn't remember state between postbacks

Hi, I have a simple ASP page with databound grid (bound to an object source). The grid is within the page of a wizard and has a 'select' checkbox for each row. In one stage of the wizard, I bind the GridView: protected void Wizard1_NextButtonClick(object sender, WizardNavigationEventArgs e) { ... // Bind and display matche...

Adding usercontrol each time on ButtonClick event.

I am trying to add an instance of UserControl each time on button_click event, it works for the first time only. I am adding IDs to user control by appending integers from ViewState. Why does it not add work for subssequent clicks. Here is the simplified version with the same behavoir. protected void Button1_Click(object sender, Eve...

Persisting dynamically loaded user controls in view state.

I have a simple user control containing two text boxes which I am adding to placeholder on Button Click event. I am storing the number(count) of clicks in View state and running a loop using count to create all previously added user control. I am also adding IDs to each User control (appending "UC" and count). I have also checked in view...

How to load a page with its default values after a postback

I'm creating user controls that i will put into an update panel and make them visible only when required using triggers. Once visible it will float in a dialog box so it has a close button which will just hide the control on client side. The controls have multiple post back states, like a wizard, i'm using a multi view control to accom...

radgrid insert using radwinow

Hello Everybody, The company details page in my system has a user control to show the founders of the company, that user control represents the founders by using a Rad Grid and three buttons for insert/edit/delete founders, the founders grid is being bind by using a WCF service. the insert button calls a javascript method that opens a Ra...

Control in Gridview loses all values

I have a checkboxlist, contained within a user control. The user control resides in a template field inside a gridview. On Page_Init I bind the checkboxlist. Everytime a post back occurs, all values are lost from the checkboxlist. Is there any way to get around it? ...

What is the ASP ViewState?

I'm looking for an easy way to explain this to someone. Apologies if it has been asked before. ...

How do I reset the state of a view inside a tabbar?

Hello CocoaTouch-Experts! This is a fairly straightforward question though my Googling session gave me nothing. How do I reset the state of a view hierarchy located in a tabbar programmatically? The behavior I want to replicate is when the user tapps on a tab twice. This causes the view located under that tab to return to it's initia...

ViewState Vs Session ... maintaining object through page lifecycle

Can someone please explain the difference between ViewState and Session? More specifically, I'd like to know the best way to keep an object available (continuously setting members through postbacks) throughout the lifecycle of my page. I currently use Sessions to do this, but I'm not sure if it's the best way. For example: SearchObje...

WPF/Silverlight States - Activate from XAML?

Kind of a quick question: Is it possible to activate a viewstate from XAML? I have been only able to activate one from CS, using the VisualStateManager.GotoState() method. This would fix some of my MVVM issues if it were easily possible. Thanks ...

ASP.Net ViewState doesn't work when Control become Enable=False

Why when a control does contain value but it's set to .Enable=False that all controls become disable (that's ok) but why that the ViewState doesn't retain the data on the next post back? If I get the UserControl without modifing its Enable state, the ViewState work between post back. How can we disable a UserControl that all its control...

What is acceptable size of ViewState

Hi All, just wanna ask what is acceptable size of ViewState per page? What is the level I should start worried. Is there any objective measurement for viewstate size? Thanks for any opinion :-) Cheers, X. ...