State Management :: Why Automatically Session Expire At Runtime
Mar 16, 2010
I am using session on my online application if im wrong let me know when i wana remove session i will put this code
session.remove("userid")
and also im using session for user login when user login on that time i have create one session("user_rights")
if session("user_rights") is nothing then
Response.Redirect("Logout.aspx")
end if
but some time on working time session automatically or i dont know exactly session expire and on running time it go out i mean logout...and at that time if im doing something on my application all will be lose how can i make strong my session ... here is web.config code
[Code]....
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May 5, 2010
I am using session variables for login and logout user . When user Signed In then i am create a seesion ["Log"] = 1 . And when user click on logout button i am use the session.RemoveAll() method .
But it does not working properly .After logout button when i click on the back button on browser then user automatically logged in and redirect to previous page .
here is my code on logout button
Session.RemoveAll();
Response.Cache.SetExpires(DateTime.UtcNow.AddMinutes(-1));
Response.Cache.SetCacheability(HttpCacheability.NoCache);
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Nov 11, 2010
I set session timeout="200" but session expire within 5-6 minute .
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Jun 5, 2010
i use from a session for holding user's authority in web application.
how to i set Session.Timeout that never expire or can i use other way to holding user authority
in web application.
i need access to this authority in all page of web application
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Oct 26, 2010
I want to expire session when wndow is directly closed. I have master page.
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Jun 2, 2010
If at any time i m login in that time if i want to logout from this page then i'll used response.redirect() but that time how i'll expire the session means no used after logout form a page without login...
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Feb 2, 2011
i want to know how expire the session after certain period of time which has been created once the customer logged in to the page
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Sep 5, 2010
i make a web site using frame but session is expire message is
Object reference not set to an instance of an object
Description: HTTP 500. Error processing request.
Stack Trace:
System.NullReferenceException: Object reference not set to an instance of an object at System.Web.UI.Control.OnLoad (System.EventArgs e) [0x00000] in <filename unknown>:0 at System.Web.UI.Control.LoadRecursive () [0x00000] in <filename unknown>:0 at System.Web.UI.Page.ProcessLoad () [0x00000] in <filename unknown>:0 at System.Web.UI.Page.ProcessPostData () [0x00000] in <filename unknown>:0 at System.Web.UI.Page.InternalProcessRequest () [0x00000] in <filename unknown>:0 at System.Web.UI.Page.ProcessRequest (System.Web.HttpContext context) [0x00000] in <filename unknown>:0 My Web Config file is<configuration> <!-- store the database connection info here --> <appSettings> <add key="sBook_StoreDBConnectionString" value="Provider=Microsoft.Jet.OLEDB.4.0;User ID=Admin;Data Source=C:Program FilesCodeChargeExamplesBookStoreBookStore_MSAccess.mdb;Persist Security Info=False" /> </appSettings> <system.web> <httpRuntime executionTimeout="1000" maxRequestLength="2000000" /> <!-- DYNAMIC DEBUG COMPILATION Set compilation debug="true" to enable ASPX debugging. Otherwise, setting this value to false will improve runtime performance of this application. Set compilation debug="true" to insert debugging symbols (.pdb information) into the compiled page. Because this creates a larger file that executes more slowly, you should set this value to true only when debugging and to false at all other times. For more information, refer to the documentation about debugging ASP.NET files. --> <compilation defaultLanguage="c#" debug="true" /> <!-- CUSTOM ERROR MESSAGES Set mode="on" or "remoteonly" to enable custom error messages, "off" to disable. Add <error> tags for each of the errors you want to handle. --> <customErrors mode="Off"/> <!--<customErrors mode="On" defaultRedirect="Login.aspx"> <error statusCode="500" redirect="Login.aspx"/> <error statusCode="404" redirect="Login.aspx"/> <error statusCode="403" redirect="Login.aspx"/></customErrors> --> <!-- AUTHENTICATION This section sets the authentication policies of the application. Possible modes are "Windows", "Forms", "Passport" and "None" --> <authentication mode="None" /> <!-- APPLICATION-LEVEL TRACE LOGGING Application-level tracing enables trace log output for every page within an application. Set trace enabled="true" to enable application trace logging. If pageOutput="true", the trace information will be displayed at the bottom of each page. Otherwise, you can view the application trace log by browsing the "trace.axd" page from your web application root. --> <trace enabled="false" requestLimit="10" pageOutput="false" traceMode="SortByTime" localOnly="true" /> <!-- SESSION STATE SETTINGS By default ASP .NET uses cookies to identify which requests belong to a particular session. If cookies are not available, a session can be tracked by adding a session identifier to the URL. To disable cookies, set sessionState cookieless="true". --> <sessionState mode="InProc" stateConnectionString="tcpip=localhost:42424" cookieless="false" timeout="60" /> <!-- GLOBALIZATION This section sets the globalization settings of the application. --> <globalization requestEncoding="utf-8" responseEncoding="utf-8" /> </system.web> <connectionStrings> <add name="mydb" connectionString="Server=localhost;User=SYSDBA;Password=datacenter;Database=/opt/db/erp2.fdb;Min Pool Size=5;Max Pool Size=60;Connect Timeout=30" providerName="FirebirdSql.Web.Providers" /> <add name="mydb2" connectionString="Server=localhost;User=blackberry;Password=acgmkRMS;Database=/opt/db/pwd.fdb;Min Pool Size=5;Max Pool Size=60;Connect Timeout=30" providerName="FirebirdSql.Web.Providers" /> </connectionStrings></configuration>
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May 24, 2010
At the login page i m using
adminlogin.aspx
Session["Admin"] = txtUserName.Text;
response.redirect("admindefault.aspx");
[code]...
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Dec 16, 2010
In my application, session value automatically set into null.In certain workflow only it will set as null (Normally It's able to access value). Example, at the time of login, I will set session values. While, user deleting some entries from drop down list of specifc page,client script will show message like selected entry deleted. After that, flow point will move to master page. There I have to access session variables. It's getting null value. I tried to debug with Quick watch, at the pageload of master page only value set into null (automatically).
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Aug 6, 2010
The Silverlight app has a link to a different group of reports. This *was* working fine but no more. In the following code you can see the 'Reports' part that it calls another page [URL] namely right here: WHat is happening is when the reports page is called, it goes into 'Session timeout ' right away.
<
StackPanel Orientation="Horizontal"
VerticalAlignment="Top" HorizontalAlignment="Right"
Margin="5, 1">
<HyperlinkButton x:Name
="ReportsLink"
[Code]....
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May 7, 2015
Using this code i want to show an modal pop up to the user that "your session will be expired within 5 minutes , Click here [BUTTON] to reset your session" , here's my code :
<asp:Button ID="btnReset" Text="Reset" runat="server" OnClick="ResetSession" />
<br />
Your Session will expire in <span id = "seconds"></span> seconds.
<script type="text/javascript">
function SessionExpireAlert(timeout) {
var seconds = timeout / 1000;
seconds--;
[CODE]...
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Nov 18, 2010
I read the solutioin for this error, at the following link :http://forums.asp.net/p/1046935/1576341.aspxbut I am still not clear what exactly causes the error. I have two doubts :1. Can anyone please elaborate a bit on this issue, with any example ????2. Is there any drawback of this approach ?
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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.
SendRequest(Asynchronous)
function SendRequest(msg, isBusy, chartMsg, vesselMsg)
{
try
{
//confirm("msg"+msg+"isBusy"+isBusy+"chartMsg"+chartMsg+"VesselMsg"+vesselMsg);
_busy = isBusy;
if(chartMsg != null)
{
//confirm("chartMsg"+chartMsg);
_element.SetMessage(true, chartMsg);
}
if(vesselMsg != null)
{
confirm("chartMsg"+vesselMsg);
_element.ShowVesselLoading(true, vesselMsg);
}
_stuckWatchdog = setTimeout( "ClearPendingRequest();", 60000);
var message = msg;
var context = '';
<%=GetHintFromServer%>
}
catch(e)
{
alert( "Exception error on SendRequest(): " + e);
}
}
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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",
[Code].....
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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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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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 asp.net create a new session state cookie each time I start debugging?
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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 asp.net 3.51.
Here is my code:
1. In my web.config file I have enabled the session state and added the following line;
<sessionState
cookieless="false"
mode="InProc"
timeout="60"
></sessionState>
2. In the Session_Start procedure in the Global.asax file I set the session variable to a default value.
[Code]....
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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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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Apr 20, 2010
I have an asp.net application consisting of two web pages and a web service. All components are part of the same project, i.e. I have a solution with only one project. The web service queries a server and fills the information it retrieves into container objects which are stored in the cache of the application. This done using the Cache.Insert method:
Context.Cache.Insert("DemoCacheEntryKey",
"DemoCacheEntryValue",
null,
Cache.NoAbsoluteExpiration,
Cache.NoSlidingExpiration,
CacheItemPriority.Default, OnRemove);
OnRemove is my handler that writes the reason into the log file in case the item is removed from the cache. Now from what I understand this example item should never be automatically removed from the cache. Basically this is what I want: It shall stay in the cache until I explicitely remove it. Once the cache is populated by the web service one of the web pages visualizes the cache content using html. The other web site contains a button to manually kick on the web service and one button to clear the cache content, i.e. remove everything in the cache. Unfortunately somehow the cache seems to get cleaned up once in a while. In irregular intervals all containers that are created by the web service and are stored in the cache are removed from the cache. I don't understand the reason for this. The only place in the code I remove something from the cache is when I manually press the clean cache button on one of the web pages.
What is strange is that all container objects in the cache are removed, not just a few. But this is not because the button that cleans the cache is pressed. I know this because a log entry is created whenever that button is pressed. To find out what is going on I attached the OnRemove handler which just logs the reason why a cache item is removed. In my case the reason is "Removed". I simply don't get it. How can I ensure that the cache just stays as it is? Items placed in there shall just stay there. Nothing shall be cleaned up automatically.
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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
Session["TypeIds"]=null;.
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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Oct 27, 2010
The fix for this error message is to run [Code]..... I have run that uptown, downtown and in my lady's chamber and it does no good, although it never complains. Are there any other possibilities?Details:
IIS Server: v5.1 running on XP. SQLServer 2005 running on a different XP box.Microsoft .NET Framework Version:2.0.50727.3615; ASP.NET Version:2.0.50727.3618 There is an ASPState database on the server, containing only two tables: [Code].... and [Code]..... I did not use [Code].... when I ran [Code]....
.
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Dec 3, 2010
I am building a web app that is limited to one database, therefore I cannot use the ASP.NET config tool. As a quick means of getting this app online, I tried to use a simple session variable. The login page verifies the user's credentials, and if they pass, it sets the session variable to a certain value. All other pages check in the page_load event whether or not the session variable is equal to that value. The problem is that once being logged in for a short while and sending and recieving some data, the session variable resets, and I'm returned to the login page to repeat the process. Here's the basic code from my webforms:
[code]....
Is there some setting I need to change in the web.config file to adjust the cookie timeout or is that only for the config tool authentication methods?
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Feb 13, 2011
Just wanted to know in which type of web applications we can use or its good to use the out proc (SQL Server, State Server) session mode?
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Mar 16, 2011
I write a simple web site in asp.net. 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:
Warning
Event Source:
ASP.NET 2.0.50727.0
Event Category:
Web Event
Event ID:
1310
Date:
3/12/2011
Time:
1:27:55 PM
User:
N/A
Computer:
WIN2003-00A346F
Description:
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 '127.0.0.1' as the server name.
Request information:
Request URL: [URL]
Request path: /main/home.aspx
User host address: 64.79.69.155
User:
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 asp.net without the session is lost?
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