State Management :: Set The Changed State Of All Contols On A Page As Default?

May 30, 2010

i want to save the recent state of all controls against a button1 click event. e.g. recently selected item of a dropdownlist should persist selected when user loads page next time, if he/she had clicked button1 before leaing this page. And same for allother controls on this page.

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Similar Messages:

State Management :: Show  default Country, State , City At Page Load Of Default.aspx ?

Sep 18, 2010

Here is my scenario.In default.aspx page user selects the country, state, city from drop down list, and store them in cache for further use. but when other user open the web site from other computer it shows the same country, state, and city selected by user 1. Is there any problem related to cache? I have stored data as following.

cache["ctryID"] = ctryID;

cache["stateID"]= stateID;

cache["cityID"]= cityID;

I want to show default country, state , city at page load of default.aspx

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State Management :: Default If Don't Configure Session State?

Nov 20, 2010

If you do not configure Session State in the Web.config what is the default? I understand it would read the Machine.config, but if that is not configured, then what is the default? In Proc with cookies?

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State Management :: Session Time Out - Redirect Page To Default

Feb 21, 2011

I'm using sessions to track user name. I assign Session["userName"] in my login procedure. The sessionn gets timeout in about 15 minutes. What I need to do is, if the session timeouts I need to redirect the page to the Default.aspx page.

How can I do this? Any code example would be great.

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State Management :: Why HTTP Post Is Getting Redirected To Default Page

May 11, 2010

I have a very simple form with just 3 textboxes.

If I wait for more then 20 minutes then I get somthing like this in the URL:

MyApplication/Default.aspx d=%2fxafR%2f74B0PcNn%2f9jV%2fwWWZ2D34N6cCUyYC29EXUhCqaHDbkpGRLbs55f4rYNbnRqr4rJOn5ynQ

I was on the MyApplication/Submit.aspx but after a wait of 30 minutes when I hit the submit button it got redirected to the above page with that long string.

I did not have any session variables in my application. Then why this redirection.

Also I could not find any error log from Application_Error method.

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State Management :: Maintain Master Page Control State On Load Of Content Page?

Dec 30, 2010

I have created a matser page with a two radio buttons, text box and a button. Whenever user sets some values to these control and clicks the button, i will navigating him from one content page to another based on the data he has entered. The problem is after the content page load, the values selected/given in the controls(radio button, text box) are getting cleared.

Is there some way to maintain the values ?

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State Management :: Maintain Page View State In Roundtrip Between Webpages?

Jun 15, 2010

I am having a application it having three pages ,page 1,page 2,page 3,when the user navigating between this pages I want to maintain the view state in page level after postbacks(i.e.) .If a user visits page 3, passing some query loads some data .then he moves to page 1 doing some entries .after that he once again moves to page 3 now I want to display the data previously available at the time he moves to page 1, same
way I want to do to my three pages up to the user logging out.

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State Management :: Error The State Information Is Invalid For This Page And Might Be Corrupted While Executing Application

May 26, 2010

I am getting this error while executing my Asp.Net application.i am not able to execute application using Visual Studio Interface and when i am trying to execute application from Local IIS. its executing well but when i am trying to click any button for searching etc it is giving this error. The state information is invalid for this page and might be corrupted. The detailed information is


[FormatException: Invalid character in a Base-64 string.] System.Convert.FromBase64String(String s) +0 System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) +72 System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Deserialize(String serializedState) +4 System.Web.UI.Util.DeserializeWithAssert(IStateFormatter formatter, String serializedState) +37 System.Web.UI.HiddenFieldPageStatePersister.Load() +113[ViewStateException: Invalid viewstate. Client IP: 1307User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/532.5 (KHTML, like Gecko) Chrome/ Safari/532.5ViewState: 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...][HttpException (0x80004005): The state information is invalid for this page and might be corrupted.] System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) +106 System.Web.UI.ViewStateException.ThrowViewStateError(Exception inner, String persistedState) +14 System.Web.UI.HiddenFieldPageStatePersister.Load() +217 System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +105 System.Web.UI.Page.LoadAllState() +43 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +6785 System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +242 System.Web.UI.Page.ProcessRequest() +80 System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21 System.Web.UI.Page.ProcessRequest(HttpContext context) +49 ASP.pages__cmtickets_cmtickets_reports_cmtickets_search_aspx.ProcessRequest(HttpContext context) in c:WINDOWSMicrosoft.NETFrameworkv2.0.50727Temporary ASP.NET Filesapp_mobily_alexmare1eddc658e6f2ba5App_Web_b9acfmsy.14.cs:0 System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +181 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75
Version Information: Microsoft .NET Framework Version:2.0.50727.3603; ASP.NET Version:2.0.50727.3082

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State Management :: Reading Session Variables Changed By In A Thread

Mar 1, 2011

Since I changed from statemode"inproc" to stateserver I canīt se changes done to de session vaiable in a thread. I can only see the first value set to the session variable!

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State Management :: Server-side Detection Of A Changed Form?

Mar 7, 2010

I've searched high and low for a efficient and reusable way to detect, on a postback/server-side, if any input controls on a form have been changed and I haven't found anything other than client-side solutions such as DirtyUpdatePanelExtender. I've come to the conclusion that it must be either really simple or really complicated.Ultimately what I want to do is to perform a database update, or not, depending on whether or not the user has changed any input controls on the form. The only thing I've come up with so far is to save the original values as Viewstate variables and then compare them with the Request values on a postback, but that seems far from ideal.

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State Management :: State Management And Page Navigation?

Nov 18, 2010

i have a form on page1.aspx with several controls (textbox, dropdownlist, etc).on Page1 PageLoad event i load data from database and performe databinding.From Page1 a user can, by clicking a specific button, move to Page2.aspx to insert some details and, after saving details, he returns to page1.

if save changes are made on control on page1 before save them to db, obviously, these are lost on return from page2 (because are reloaded on pageload from db).How can i save control status between pages round trip?

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State Management :: Output Cache To Be Used Only When Parameter Has Changed + Old Question Of User Control Not Answered?

Aug 26, 2010

i have 2 questions about output it just me , or does it seems that it is used only after the second time that the user reaches the webpage? if so, why, and how can i tweak it to my needs? my guess is that it wouldn't be logical to cache every time a user reach a webpage, but only when it happens enough times.2.i know that i can use "varybyparam" for using the output cache when the parameter doesn't change , but it seems that it would use the output cache even if there is no parameter , or if the specified paramter is not there. is there a way to overcome this? old question that somehow marked as "answered" , yet i didn't solve : suppose i created a user control and i gave it values through the CTOR via the aspx file . is it possible to show the values from within the split/design mode? remember that i've talking about ASP.NET and not simply C# winforms . i write this because this question was on :[URL]and the answer that i got was for C# and winforms . i've tried to do the same for ASP.NET , but i've failed.

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State Management :: Set A Default Value To QueryString On Pageload?

Aug 26, 2010

I'm using Response.Redirect for empty QueryString.


I'm not sure if this is the best way to do this.

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State Management :: Application State And Session State?

Oct 2, 2010

User Interface: 2 Labels; 1 Buttons

Requirements: Create a Web Page in ASPx that will do the following:

1)One label will provide a count of how many times Button 1 has been clicked in the current session.

2)One label will provide a count of how many times Button 1 has been clicked by all users of the application. The Application Code for the Button should start at 100 (set this in the Global.asax file). this is what i have so far but i cant seem to get the application state to work properly.


Partial Class _Default
Inherits System.Web.UI.Page
Dim clickcount As Integer

Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load

If Session("ClickCount") Is Nothing Then
clickcount = 0
clickcount = CInt(Session("ClickCount"))
End If
If Not IsPostBack Then
If Request.Cookies("UserName") IsNot Nothing Then
Label1.Text = "Welcome Back " & Request.Cookies("UserName").Value & "."
End If
End If
Dim clickCounta As Integer = CInt(Application("ClickCount"))
End Sub
Protected Sub PostBackSession_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles PostBackSession.Click
clickcount += 1
lblClkCnt.Text = "Current Click Count is " & clickcount
Dim clickCounta As Integer = CInt(Application("ClickCount"))
clickCounta += 1
Application("ClickCount") = clickCounta
AppClick.Text = clickCounta
Dim nameCookie As New HttpCookie("UserName", _
nameCookie.Expires = Now.AddYears(1)
End Sub
Protected Sub PostBackSession_PreRender(ByVal sender As Object, ByVal e As System.EventArgs) Handles PostBackSession.PreRender
Session("ClickCount") = clickcount
Application("ClickCount") = clickcount
End Sub
End Class
<script runat="server">
Sub Application_Start(ByVal sender As Object, ByVal e As EventArgs)
Dim clickCounta As Integer = CInt(Application("ClickCount"))
Application.Add("ClickCount", 0)
End Sub
Sub Application_End(ByVal sender As Object, ByVal e As EventArgs)
Dim clickCounta As Integer = CInt(HttpContext.Current.Application("ClickCount"))
End Sub
Sub Application_Error(ByVal sender As Object, ByVal e As EventArgs)
' Code that runs when an unhandled error occurs
End Sub
Sub Session_Start(ByVal sender As Object, ByVal e As EventArgs)
End Sub
Sub Session_End(ByVal sender As Object, ByVal e As EventArgs)
End Sub

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State Management :: Client And Server Side State Management?

Feb 25, 2011

when we go for client and server side state management in

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State Management :: Set The Mode Of Session State As State Server And Point To Another Server?

Aug 26, 2010

In my web application, I set the mode of session state as State Server and point to another server. After run some days, I always meet following exception:

The state server has closed an expired TCP/IP connection. The IP address of the client is The expired Read operation began at 08/25/2010 14:18:03.

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State Management :: Session Mode State Server - Sending Asynchronous Request

Nov 5, 2010

Customer were getting "View State Validation Error" due to worker process recycling at our production webserver and to fix that i applied machinekey and then move my Session state Mode from In Proc to State Server to retain session data and not kick out the customer to relogin. I had serialization issue with one object which has to be stored in session but when i moved it out of session i could able to resolve the issue.

But doing all these i was partly successfull in keeping the user in their session when Worker Process recycle event occurs.I was able to refresh the page or make a post back by clicking the refresh button and also able to retain the session values. But the Problem occurs when sending asynchronous request to server which we do periodically every 15 minutes from the moment the user logs in.The web page doesnot update data on website when sending asynchronous request.By Debugging I found at this particular code point it fails to make a postback which is required.

<%=GetHintFromServer%> (When there is no Worker Process recycle i t gets replaced by
WebForm_DoCallback('__Page',message,ShowHint,null,null,false) on postback) Everything works fine when there is no Worker Process Recyling but when it happens looks like sending request asynchronously using javascript fails .Remember When I make a post back by manually clicking submit button everything works fine.

function SendRequest(msg, isBusy, chartMsg, vesselMsg)
_busy = isBusy;
if(chartMsg != null)
_element.SetMessage(true, chartMsg);
if(vesselMsg != null)
_element.ShowVesselLoading(true, vesselMsg);
_stuckWatchdog = setTimeout( "ClearPendingRequest();", 60000);
var message = msg;
var context = '';
alert( "Exception error on SendRequest(): " + e);

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State Management :: Custom Control: State Restoring For Controls Created With CreateChildControls

Dec 22, 2010

Let me explain, describing the scenario:In a custom server control (in my case, derived from CompositeControl), in the overidden CreateChildControls method I create a complex tree of subcontrols, using information from a db.The db provides both information on which controls I need to create (the user interface's structure) and the data used to fill these controls.Than the user can interact with the control and change the data (that becomes different to what stored on db).

My custom control lives in the same page where there are other controls, obviously.And these controls can cause a postback at any time.What I need is that my custom control keeps the data entered by the user across these postback, without reverting to the original data and loose the user data entry.

Here is the first doubt:

1)I create the subcontrols dinamically in the CreateChildControls at any page refresh (both on first call than on postback).I know that the framework solves the reference between the posted data and the controls I create in the CreateChildControls in order to set properties and raise control events, but can you tell me when and how it actually does this? In which phase of page life cycle? What happens after the CreateChildControls?

A second doubt:2)If the user interface structure must change as a consequence of the data entered, I had to execute CreateChildControls twice (the first time to recreate the original interface to get the events and the second time to create the new interface)
In which phase of page/control lifecycle do I have to make the second call to CreateChildControls? I do it on Prerender now, but is it right or wrong, and why?

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State Management :: Unable To Serialize The Session State In 'StateServer' And 'SQLServer' Mode

Dec 12, 2010

I am new to .net 4.0 and am using EF Model and SessionState Mode=SqlServer and I am getting this error below:

Unable to serialize the session state. In 'StateServer' and 'SQLServer' mode, ASP.NET will serialize the session state objects, and as a result non-serializable objects or MarshalByRef objects are not permitted. The same restriction applies if similar serialization is done by the custom session state store in 'Custom' mode.

I checked the stack trace and its complaining about

[assembly: global::System.Data.Objects.DataClasses.EdmSchemaAttribute()]
[assembly: global::System.Data.Objects.DataClasses.EdmRelationshipAttribute("PoplarGroveModel", "tblMenuRole", "tblMenu", global::System.Data.Metadata.Edm.RelationshipMultiplicity.Many, typeof(PoplarGroveDataModel.Menu), "tblRole",


I marked it as serializable but then it complains about System.Data.Objects.ObjectContext is not marked as serializable and hence throws the same error.

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State Management :: Recreate State Session Database In SQL Server 2008?

Apr 5, 2010

Our ASP.NET App uses ASP State Session Management and has been rebuilt about 2 years ago [With .NET Framework 2.0]. We are currently in .NET framework 3.5 and have moved to SQL Server 2008 - but continue to use the same ASPState database. The State database has been upgraded to SQL Server 2008. Since then we have are seeing timouts/locks on ASPStateTempSessions table. I am wondering if we have to rebuild this database from scratch with some newer scripts?

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State Management :: Asp Create New Session State Cookie Each Time On Debugging?

Jan 21, 2011

I'm using the following line of code to display the number of users currently logged on:

lblNoOfUsers.Text = Membership.GetNumberOfUsersOnline().ToString()

I'm still debugging my application so it's on the local server. As I debug and stop then debug again, eventually lblNoOfUsers.text turns to "0" instead of "1", even as I'm navigating my application. It only turns to "1" again if I log out and sign back in. It's almost as though Membership.GetNumberOfUsersOnline my login are referencing two different session states. How is this possible? Does create a new session state cookie each time I start debugging?

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State Management :: Losing Session State In Global.asax File?

Feb 2, 2011

I am trying to set a session variable in the global.asax file and keep running into the problem that the Session is null.

I am running my application in VS2008 and using 3.51.

Here is my code:

1. In my web.config file I have enabled the session state and added the following line;


2. In the Session_Start procedure in the Global.asax file I set the session variable to a default value.


My problem seems to be that when the Application_Error procedure is executed the session state is lost.

Does anyone know why the session state isn't available in the Global.asax file.

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State Management :: Session State Expiration After Application Pool Recycle?

Nov 1, 2010

All we have a global ships position tracking website which runs smoothly until IIS application pool recycles.When there is workerprocess recycling looks like session state expires as a result i loose all session data and when customer clicks refresh button he is redirected to login page.

In web.config Session state mode is set to InProc so i changed it to State Server but to my luck i have MAP object which is not serialiazable which is causing the maps from not appearing on the website.I tried adding serializable attribute to the object class but still not succesfull.Our website is accessed by our customers whose count is more than 1000.

Changing the session state mode from InProc to StateServer can really slow down the response time so
Is it good to go further fix the serailizable issues and move to state server?.

Is there any way I can retain my session data when application pool recyles?..

Stopping Application pool from recycling may not be a good idea considering health factor of web server.

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State Management :: View State Doubled If I Call Prerender Event?

Oct 1, 2010

i have one method which save datatable in viewstate.i am calling this method in. page_load2. Prerenderthe page was every heavy,i did tracing of page i found due to calling of method from preprnder it doubled the viewstate sizewhat was the reseon behind this.

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State Management :: Session State Returning Null Values?

Apr 29, 2010

I have a clear button and a textbox in an aspx page. I set the session variable in this page as

String str = Textbox1.Text;

Session["TypeIds"] = str;

and I clear the sessions in a clear button event as


Then when the user types some value in the textbox ,on Response.Redirect on another aspx page, the session variable returns null values.It does not retain its session state. The session state has to be maintained in the next page. Is it because this clear button event and setting explicitly to null creates this problem?

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