State Management :: How To Use ViewState In Class Inside(App_code) Folder

Aug 23, 2010

i want to do some thing like this in in Class inside(App_code) folder i want to know how to do it with

Correct Syntax :
public static void GetViewStateValue(int StudentID,ViewState MyViewState)

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Get Page Title Inside Class In App_Code Folder

May 5, 2010

I guess I might be missing something easy (or not) here. I have a class in App_Code which do some validations over Session and Request.Url, till here it's working fine. But then I need to get the actual page title. I know it's simple to get it in the page's code behind, but could I get it in a separate class like it is on my scenario?

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State Management :: ViewState Does Not Exist In The Current Context In Another Cs Class

Feb 1, 2011

When I use Viewstate in another cs class file it showing error,.The Name Viewstate does not exist in the current context .

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State Management :: Lifespan Of A Property Inside A Static Class In IIS?

Oct 17, 2010

I want to know , how good / bad is it to save configuration values in a static properties?I am creating an application which reads configuration from an XML file and a DataContext file, instead of sending the CustomConfig class into the configuration.xml each time I tought about using an ReadXml() method on application_start at the global.ascx

the ReadXml() method would save the data in static properties of CustomConfig and whereever I would want to read that particler data I would ask CustomConfig.PROERTY_NAME

My question is ? how smart it is ? how long does IIS would save the data in a static member? (if as long as the application exists then I'm ok as long as I add the ReadXml() in the application_start)

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CodeBehind Class Not Accessible To Code In App_Code Folder?

Jan 31, 2010

I have a PlannerShiftView user control in the root folder of my ASP.NET web site. In my App_Code folder, I have a ShiftViewTemplate class that needs to instantiate a PlannerShiftView (for a TemplateField in a GridView). The problem is, the following code doesn't compile because the PlannerShiftView type is not available in what I deem to be the App_Code 'phantom namespace'.

Please can somebody explain to be what is happening here, as well as what to do. I know I can just move the ShiftViewTemplate out of App_Code, going against convention and without explantion, but that is something of a hollow victory.

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Architecture :: Access Class Files Not In App_Code Folder

Feb 25, 2010

I have a single project. and I have two folder in it. In the 1st folder I have a class named Class1 and in the 2nd folder I have a class named Class2. Can anyone tell me how I can access members of Class1 in Class2. I have tried by adding namespace in Class1 and Using that namespace in Class2. But it is giving error. It is easy to access classes or their members from App_Code folder. I don't want to put my classes in app_code folder.

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State Management :: Failed To Load Viewstate. The Control Tree Into Which Viewstate Is Being Loaded Must Match ?

Oct 9, 2010

Now here is the weird thing. First i am running it locally on the built in vs2008 web server.I load my control in fine, do a postback from a linkbutton, locally on my machine it all works fine, no issue.However when it goes onto my host, it falls over with the message:

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.Now i also load controls dynamically and use postbacks and things in the admin area of the site...and that works fine, however my front end just keeps failing? See the code behing below:


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State Management :: ViewState And ObjectDataSource / Getting Values From Viewstate In GetTopThemes?

Jan 11, 2011

I have problem getting values from viewstate in GetTopThemes.





when the page is not Posted back, I saved all values in the viewstate.

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Localization :: Access Resource String From Class In App_Code Folder?

Mar 8, 2011

Or any class that's not X.aspx.vb. I've imported the Globalization, Threading, Threading.Thread, and UI.Page namespaces. But it won't come up in Intellisense and it gives error lines in my code. Is there a way to access use the GetLocalResource("Y") method in other classes?

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State Management :: ViewState - Does The Master Page Have Its Viewstate

Apr 30, 2010

I have been getting this error a lot lately with some of my users, and I had a couple of concerns with view state and I have read so many articles but I am still lost..

1. I use masterpage on all the pages and I need viewstate for some of the pages but..

There is a page where a user will fill out the information and then submit this data to a cgi server, and it is where I get most of the Client Disconnected errors, what would happen if I disable viewstate when they click on that button?

Now when a user browses from one page to another, does the view state from the previous page get deleted? If not how would I delete it?

Does the master page have its own viewstate? Would I be able to make sure none of items on my master page are using the viewstate?

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Configuration :: CS0103 Error When Calling Class Contained In App_Code Folder

Nov 18, 2010

I have created a simple ASP.NET Website in Visual Studio 2008. I have a static C# class (lets call it someClass) contained in a separate file in the App_Code folder. I call a method from that class in my page's code behind like so:

someVar = someClass.someMethod(someParam);

This compiles correctly in VS 2008 but when I move it over to my IIS server, I get the following error (CS0103): Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately. Compiler Error Message: CS0103: The name 'someClass' does not exist in the current context I have created a virtual directory for this website enabling 'Read', 'Run scripts (such ASP)', and 'Execute (such as ISAPI applications or CGI)'. I am not currently utilizing namespaces (as I thought I would not need to and I'm not sure how to use them properly). What am I doing wrong?

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Configuration :: Custom Class Inside App_code After Published?

Apr 6, 2010

I have some problem in app_code. I created one class name as class1 in side app_code.... Now I have a grid view with lots of textboxes inside it(itemtemplete). I call class1 to fill the all the values in my database with get set properties..... it working awesome on local. but problem is that after published it is not working.... I mean class1 is not called after publishing.... And app_code folder also not appearing at published folder.

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State Management :: HttpContext.current.session Is Null In App_code/.cs File

May 20, 2010

1. SetSession.aspx page sets value for a session variable and redirects to default.aspx page using Response.redirect() code.

2. Default.aspx page tries to create an object of class in app_codecommon.cs file.

3. In app_codeCommon.cs file, I am trying to access the session variable set in step1 using HttpContext.Current.Session object.

but step 3 gives error that object reference not set to an instance. as HttpContext.Current.Session is null.

I surf abt it on net, and seems to be problem with framework.

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State Management :: How To Custom Controls And ViewState Management

Aug 24, 2010

I want to know that when we create custom controls, then is there State Management through ViewState done automatically or we have to handle it explicitely ?Since i have created Custom Controls that is behaving as if it is not maintaining its state on PostBack.

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C# - Call Activator.CreateInsta1qaaaqqqnce In A Dll To Intance Class That Reside Inside Asp.Net App_Code

Apr 14, 2010

IMyClass NewCreated = (IMyClass)Activator.CreateInstance(Namespace.MyClass).UnWrap();
Asp.Net WebSite

Is that even posible? I have tried, a lot of posible combinations, like:


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State Management :: Bug In .NET ViewState

May 20, 2010

I start with a blank ASP.NET page where I disable ViewState for the whole page with EnableViewState=False and even ViewStateMode=Disabled.keep adding various controls to the page -- Label, Table, Calendar, TextBox, DropDownList.Everything looks good, i.e. my __VIEWSTATE tag fluctuates between 24 and 28 characters.As soon as I add a single RadioButton (or CheckBox), the __VIEWSTATE shoots up to 130 characters. And it keeps growing by over 100 characters every time I add another RadioButton.

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State Management :: Set A Certain Viewstate To Nothing?

Apr 19, 2010

I have a code like this in the Me.LoadComplete event.


Now I would like to set this viewstate("data") = nothing on a certain button click in a user control (.ascx) in this page but it doesnt clear the viewstate. What am I doing wrong? In the onClick even of the button in the .ascx I write Me.viewstate("data") = Nothing

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State Management :: Deleting Folder And Session State Mode?

Mar 16, 2011

I write a simple web site in In one page i want to delete a folder of web root. When i delete it folder, the all session in project is changed to null. I write a post in this forum. Here is the adress of it post: ([URL]) Some pepole answer me to change the session state mode to StateServer. In default the session state mode is Inproc, and i changed the session state mode to stateServer.but when i changed the session to stateserver this error is appear in application eventlog after two day and my web site dont working in iis. This error is like this:

Event Type:
Event Source:
ASP.NET 2.0.50727.0
Event Category:
Web Event
Event ID:
1:27:55 PM
Event code: 3009
Event message: Unable to make the session state request to the session state server. Details: last phase='Sending request to the state
server', error code=0x80072749, size of outgoing data=0
Event time: 3/12/2011 1:27:55 PM
Event time (UTC): 3/12/2011 8:57:55 AM
Event ID: a5c8bfd16f74429e820989e8ce8082d0
Event sequence: 10
Event occurrence: 1
Event detail code: 50016
Application information:
Application domain: /LM/W3SVC/1547208020/Root-1-129443938731955000
Trust level: Full
Application Virtual Path: /
Application Path: C:InetpubwwwrootClishareClishare
Machine name: WIN2003-00A346F
Process information:
Process ID: 1276
Process name: aspnet_wp.exe
Account name: WIN2003-00A346FASPNET
Exception information:
Exception type: HttpException

Exception message: Unable to make the session state request to the session state server. Please ensure that the ASP.NET State service is started and that the client and server ports are the same. If the server is on a remote machine, please ensure that it accepts remote requests by checking the value of HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesaspnet_stateParametersAllowRemoteConnection. If the server is on the local machine, and if the before mentioned registry value does not exist or is set to 0, then the state server connection string must use either 'localhost' or '' as the server name.

Request information:
Request URL: [URL]
Request path: /main/home.aspx
User host address:
Is authenticated: False
Authentication Type:
Thread account name: WIN2003-00A346FASPNET
Thread information:
Thread ID: 1
Thread account name: WIN2003-00A346FASPNET
Is impersonating: False

Stack trace: Custom event details: For more information, see Help and Support Center at [URL]. When i reset ASP.NET State service, the problem is fixed, but after one or two days, this problem apears again. What's the problem and how can i fix it? And how can i delete a folder in without the session is lost?

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State Management :: Viewstate / Use Textbox Value?

Jul 22, 2010

I want to use textbox value after I visit from current to other page then again to current page using viewstate but value should be the one when I was current page last time.

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State Management :: ViewState Value Set After 2nd Postback?

May 3, 2010

I am creating a simple string of values that get added to a label after a post back. I am setting the values thorugh ViewState. However, my appended values do not get updated until AFTER the 2nd postback. Example:

On Page_Load the label displays a "0";

If I enter a "1" in the text box and click the button the label still displays a "0";

If I click the button again (the 2nd postback) then my label correctly displays "0,1"; This works for whatever value I enter after. i.e. "0,1,35,hello world", etc.

What I am I missing? Code Below.

.ascx - I left out inherits and codebehind


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State Management :: Pop Up Change Viewstate?

Dec 22, 2010

have some viewstate value in my opener window ,when i close the popup i want to set new value in the opener viewstate.

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State Management :: Save An ImageButton To The Viewstate?

Sep 8, 2010

I have created a custom control that extends the class ImageButton, the thing is that I now also want to save this control to a viewstate.

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State Management :: How To Save Int Array In Viewstate

Oct 25, 2010

how save int array in viewstate?

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State Management :: Viewstate Size Too Heavy (Around 2MB)

Sep 16, 2010

I am developing a a web application of a general store where the operator has to enter the things what customer has purchased. Like daily usage item,or anything. So I have form in which I first ask how much item u wannt to register...(if he has 20-30 number of items then operator will enter 20-30 then in gridview 20-30 item are opened. With bind dropdownbox containing name of item ,then textboxs containing mrp, value, stock avail of that item. Here is the link for demo. [URL]. Problem is suppose the operator enter the value above 20, then viewstate size id about 1.50Mb that's too heavy.

Here is .cs code

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State Management :: How To Convert Viewstate To List

Jan 31, 2011

I stored a list<mytype> object in a viewstate. Type of list<mytype> comes from a public structure which is defined at page.

When I try to convert viewstate to a list<mytype> object it cause error.

Public struct mytype
{ list<mytype> obj = new list<mytype>();
list<mytype> tempobj = new list<mytype>();
tempobj = (list<mytype>)viewstate["mystate"];// this line cause error !

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