viewstate

How do I know which attributes are stored in ControlState and which in ViewState?

In asp.net, how can I know which attributes are stored in ControlState and which in ViewState? Are there any official documents on this? ...

Even if DropDownList has its viestate disabled, SelectedValue should still return a value

Hello, I think I understand ViewState pretty well, but the following is giving me some troubles: From http://weblogs.asp.net/infinitiesloop/archive/2006/08/03/truly-understanding-viewstate.aspx Postback controls such as dropdownlist and textbox restore their posted state (the selected item of a dropdown ist 'posted') even when V...

Is the kind of ViewState sent on pages like Woot's forums a mistake?

Not to name names, but for example, every pageview on all of Woot's forum pages (across four subdomains) returns a hidden __VIEWSTATE value that is about 54KB big. <input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwULLTIxMDUyNjY3MjAPZBYCZg9kFgJmD2QWAmYPZBYEAgEPZBYCAgEPFQERLi4vQmxvZy9GZWVkLmFzaHh kAgMPFgIeBWNsYXNzBQljb...

Gridview RowUpdating event not firing

I have a Gridview with AutoGenerateColumns="False". I am using a TemplateField to display my Edit, Update and Cancel 'buttons' in the first column of the GridView within respective ItemTemplate and EditItemTemplate fields. Within the ItemTemplate I have an ImageButtong with a CommandName of "Edit". This works as expected and I can put a...

Problems with serializing a custom type in ASP.NET ViewState

I've got a little struct that I want to serialize in my ViewState. It looks something like this: [Serializable] private struct DayMoney { public readonly DateTime ValidFrom; public readonly string CurrencyCode; public readonly double Amount; } It serializes just fine, but when I perform a postback/callback, I get an except...

Detecting viewstate tampering

It has been seen in my asp.net project that the viewstate has changed. Is there anyway to check whether my ViewState has been tampered with? (ideally with C#) ...

Why isn't my @page enableviewstate overiding the page's EnableViewsate in the web.config?

I want to disable viewstate for nearly all of my pages and I have used the element to do so in my web.config. On a page that specifically uses viewstate, I used the EnableViewState=true. However the page fails to work and the dropdownlists that depended on viewstate are not filled in the postback. In an effort to try to find a patter...

Object does not retrieves from viewstate

I am about to gone mad why? why? why? protected void Page_Load(object sender, EventArgs e) { AttachedPartnersViewState vs = ViewState[SessionVariables.Company_AttachedPartnersViewState] as AttachedPartnersViewState; protected override void OnUnload(EventArgs e) { ViewState[SessionVariables.Company_AttachedPartnersViewSt...

Session and viewstate at facebook platform

I have an application in facebook platform (a trial application) and i am using session and viewstate in the code of the application and when incrementing the session value it doesn't feel with changes in sometimes, i mean that i store a number in session and on posting back i increment this session value numner with one and when get the...

Getting values from viewstate using JQuery?

Is it possible to get a particular value out of viewstate using JQuery.... I'm working on a custom control. It uses jquery, embedded into the control itself to manipulate the value in a text box... I need to implement a minimum and maximum values... the properties are set up in the control, and are stored in viewstate... Instead of usi...

Creating a Pop up and setting its view state before it displays

Hi, I am a beginner developer in Flex, and I have been using viewstates lately. I had a couple of custom popup titlewindow components that are initialized using: PopUpManager.createPopUp(this, ContentCreate, true); They both contain view states already, and are very similar so I wanted to combione them into one popup titlewindow and ...

Why is my viewstate growing between postbacks when using dynamic data?

I'm writing a pretty complex web form using ASP.NET Dynamic Data. Several of the controls on this form post back, since there are dependencies between controls. I'm noticing that the viewstate is growing larger with every postback, until after 5 or so there is a long delay between the Render process and the page actually loading in the...

Passing viewdata back to a controller for use with dropdown list

Hi, I have a page which has an Html.DropDownList which takes in a viewdata parameter. The issue is that when a user clicks save it verifies the model with a call to ModelState.IsValid if this fails I want the page to display the errors (this works fine) The issue I have is that the viewdata for the DropDown is lost, this means that I d...

HELP! Get value of dynamic control radio button!

Hi guys, I am looking into create a dynamic survey as posted in Get User Input From Dynamic Controls but with some different environment. Below is what i am trying to do: First when the user click the button, it will populate a dynamic table with radio button for the survey questionnaire inside a placeholder. However, I was unable to ...

Is it possible to decode EventValidation and ViewState in ASP.NET?

How to decode the ASP.NET EventValidation and ViewState? ...

ASP.net GridView's ViewStates

I'm using a Gridview to hold records that user can click on the checkbox in each record for indication that he/she want to save that record(after editing the data) and user can select as many records as they want and save them all at once. In the code behind, I'll loop thour the gridview and look for the checkbox to save the record. If ...

How can you act only on those elements that are in a particular view state in JQuery?

I have a class that I need to perform some actions on but I only want to perform the action on those elements of the class that are currently shown. For example, this code hides all elements of the pie class, whereas I only want to effect the elements that are currently shown and not act on the ones that are currently hidden: $(".pie")...

ASP.NET StateBag and Custom Controls

Lets pretend that for some reason I want to create a custom control that is derived from Control and not WebControl. Let us also assume that I need to process attributes (i.e. implement IAttributeAccessor) and that I want to do so by using an AttributeCollection just like WebControl does. WebControl implements the Attributes property l...

Passing Viewstate Data to Popup Window

Hey, As far as I can tell it is impossible to access the ViewState of a parent page from a popup. What is the best approach to accomplish passing this information? I have considered the following: Using the Session but this may have memory implications on the server. Passing data in querystring but this may have security implication...

Is ViewState relevant in ASP.NET MVC?

I am learning ASP.NET MVC and many concepts of "ASP.NET" like authentication, authorization, session state still apply to it. But from whatever little I have understood, I don't see that ViewState is still relevant in an ASP.NET application. But it is there (property of System.Web.Mvc.ViewPage)! Is it there only for compatibility reason...