As the title says, I am getting: Invalid length for a Base-64 char array. I have read about this problem on here and it seems that the suggestion is to store ViewState in SQL if it is large. I am using a wizard with a good deal of data collection so chances are my ViewSate is large. But, before I turn to the "store-in-DB" solu...
Hi guys, Let me explain what I am want to archive. For example, in Flex I can create page (list of something) with 3 states: Loading state (just display some animation or label with text "Please wait."), No records state (page with text saying that there is no records) and Page with populated list. It is very easy to operate with state...
Please tell me why some specific controls are inherited from IPostBackDataHandler interface (which maintains their state using HTTP Post header). and if state of controls like textbox are maintained by HTTP post headers then why they have property "View state" and what is use of it?. ...
I have hosted an asp.net 2.0 site. Everyday, i am getting an error "Padding is invalid and cannot be removed" 2-3 times. Backend used is sql server 2005. the site is controlled via plesk 9.2 CP. Pooling is enabled with timeout as 120 Minutes, in IIS. Can it be the reason for this? I have not used any encryption except for the stored p...
I've got a weird problem with a NullReferenceException on a high traffic website my company hosts. The exceptions are logged with full stack-traces but I am unable to reproduce it. The exception occurs a couple of times a day, for different users, and it's a NullReferenceException thrown in the code block below: protected void Page_Lo...
We have a Asp.Net Webform page which contains a GridView inside UpdatePanel and refreshes every minute. And every one minute we get the following error in Event log. Error Message:Unable to validate data. Stack Trace: at System.Web.Configuration.MachineKeySection.GetDecodedData(Byte[] buf, Byte[] modifier, Int32 start, Int32 length, I...
I have had a site up and running for quite a while, but I've just started getting the MAC failed error. Quite often too. While coding tonight I've noticed it 4 times or so. The host (through someone else) changed servers and we've had a bunch of issues. This started happening since then. What are all the possibilities that it could be on...
Using reflector I found the following code in the System.Web.UI.WebControls.Parameter class: internal void UpdateValue(HttpContext context, Control control) { object obj2 = this.ViewState["ParameterValue"]; object obj3 = this.Evaluate(context, control); this.ViewState["ParameterValue"] = obj3; if (((obj3 == null) && (obj...
I have an ascx usercontrol acting like as a standard createUser formular. Code is written in VB.Net 3.5 The control also has some radiobuttons with the property autopostback=true set. The Radiobuttons controls if the member should be a Company or an Individual. If a radiobutton is clicked, the formular will display or hide certain text...
I am dynamically generating controls, and sometimes I want to create a control and have it ignore the viewstate. For example, sometimes the user has clicked a button indicating they want a different form loaded, so the control tree I generate on postback is different from the original control tree. This is fine, except when I call Cont...
Hi, I'm porting my Flex3 app to Flex4 (FlashBuilder4). I get the whole new state concept, except one thing. In a custom component (separate mxml file) I'm using the main level Application's state. In Flex3 it was: <mx:State name="only_view_mode"> <mx:RemoveChild target="{myComponent.button1}" /> </mx:State> In Flex4 it should be s...
OK have just started getting this error and I'm not sure why. I have a hosting page which has listview and a panel with a usercontrol. The listview loads up records with a linkbutton. You click the link button to edit that particular record - which gets loaded up in the formview (within the usercontrol) which goes to edit mode. After...
I have a nested Repeater control in the ItemTemplate of another Repeater. I want to dynamically add a delete and update button to certain items in the nested Repeater depending on their data value, in this case whether they're associated with the current user. A click to either button should handled server-side based so the data source...
Setup Using: Visual Web Developer 2010 Express. Language: C#. Target Framework: .NET Framework 4. ViewState: I have disabled ViewState in the Web.Config - i.e. <configuration><system.web><pages enableViewState="false" />. Problem I have an ASP.NET page with a standard DropDownList control. I have set EnableViewState="true" and ViewSta...
Hi Guys I am receiving the following error when browsing my asp.net page in internet explorer while in firefox mozilla everything works fine. I have tried different approaches as I believe there is a problem with VIEWSTATE as to - <pages enableViewStateMac="false" > - <pages enableViewState="false"> - <pages viewStateEncryptionMode...
I have a button with a click event of "currentState='someState'". Is there a way to tell component to do some function like for example "Function()" when the state changes to "someState"? So execute a function when the state is changed. Thanks, ...
How to completely disable ControlState in an ASP.NET website application to get rid of <input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/ACBDEFGH...XYZ=" /> on every page? Searching for a solution, I only found meaningless answers making no difference between ControlState and ViewState, or replies saying that "we cannot d...
There are some text boxes on my page. When I submit the page, the controls retain their state after postback. I know that ASP.NET MVC does not have a concept of viewstate. So how can it be possible? ...
Hello, I am trying to automate the login process for the site: winpossible.com. The site is running on .NET and expects the VIEWSTATE variable to be appropriate set and that is what is most probably tripping up the login function? Any tips on what maybe going wrong? The code is attached. Thanks in advance. <?php $username=urlencode('<...
it seems like the treeview control in asp.net will clear the SelectedNode property, when Visible is set to false. i want to create a dropdown with a treeview inside it, and every time i collapse the dropdown, the value is cleared! is there a workaround/fix for that? i tried abusing the ViewState, but then i have problems with assigning...