Way Around Session Being Shared Across Multiple Tab Windows?
May 13, 2010
I'm storing some value in an asp.net session on the first page. On the next page, this session value is being read. However if multiple tabs are opened and there are multiple page 1->page 2 navigation going on, the value stored in session gets mixed up since the session is shared between the browser tabs.I'm wondering what are the options around this :Query String: Passing value between the pages using query string, I don't want to take this approach since there can be multiple anchor tags on page 1 linking to page 2 and I can not rewrite the URLs of each tag since they are dynamic.Cookies??? In-memory cookies are shared across browser tabs too, same as the session cookie, rite ?
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Mar 25, 2010
I have ASP.net application that is basically a data entry screen for a physical inspection process. The users want to be able to have multiple browser windows open and enter data from multiple inspections concurrently. At first I was using cookie based sessions, and obviously this blew up.I switched to using cookie-less sessions, which stores the session in the URL and in testing this seemed to resolve the problem. Each browser window/tab had a different session ID, and data entered in one did not clobber data entered in the other.
However my users are more efficient at breaking things than I expected and it seems that they're still managing to get the same session between browsers sometimes. I think that they're copying/pasting the address from one tab to the other in order to open the application, but I haven't been able to verify this yet (they're at another location so I can't easily ask them).Other than telling them don't copy and paste, or convince them to only enter one at a time, how can I prevent this situation from occurring?
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Mar 6, 2013
Preventing user to open duplicate web application,while it is running .....
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Jan 18, 2010
We are developing products that will be used in the following way:
Various shared libraries which may be used by multiple products. I anticipate these libraries will mostly need to access string resources that contain error messages/exceptions. Various end-user based applications, designed to run as standalone apps on a PC. They will be required to support multiple languages upon deployment/installation.
Various web-sites which may be required to support multiple languages either at deployment time or possibly at runtime (i.e. minimal or zero downtime). Potentially the site might need to support multiple languages at the same time if being accessed globally.
We may be required to allow customers access to our language files for editing themselves. We would not wish to allow them access to our source code (other than the resource files/dlls) in order to achieve this. We might need to incorporate a facility to log exceptions in our native language (English in this case) and display them in the translated language. This will us debug our customers solutions in the field.
I am already aware of products like RCWinTrans and handling multiple languages in VC++/MFC applications. However, the requirements we are faced with here are more extensive and thus require us to make a few up front decisions that could be difficult to change long term, so ideally we want to make the best choice now. Based on my own knowledge, I have a few questions although I may be missing some tricks with .net that will be happily received. Here are my questions:
What would be best? Put all our resources in a seperate DLL per VS solution OR put the resources in each VS project. The way I see it per solution is easier to manage, modify, and allow customer access. The per project solution seems cleaner though and makes the individual projects more portable. This method would apply to our shared library based solutions as well as our end-application based solutions.
Is it possible to have two seperate resource files loaded at once i.e. if we want to log the exceptions in English but supply them back up the food chain (as a message in an exception) in the translated language? Are there any tricks we can use to automate this like AOP?
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Feb 25, 2011
Can Windows Service work on shared hosting?
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Mar 9, 2011
I have a windows shared hosting and i need to run some scheduled c# executable every day for create sitemap, send newsletter,etc...The provider tell me that i can't run executable for security reason.Whay can i do?The provider suggest me to buy a VPS, but do not think it makes sense to spend more money just to run some scheduled task.
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Jan 5, 2010
let me know what does these access modifiers means.private shared vs public shared vs protected shared
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Dec 5, 2011
What are the kind of things that would cause a session to timeout. I know the default is usually 20 minutes. A website I have set up for a friends business seems to timeout after a few minutes sometimes. I think it could be them recycling a shared application pool.
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May 19, 2010
[Code]....
Above is my configuration.
Because one user is getting the session values of other users due to some reason that I dont know .
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Oct 4, 2010
My website/application is in ASP.NET. I use the traditional Session object when people connect so they have their preference, etc. My problem is that sessions were lost very often. I discovered that my hosting company was using load balancing on their servers, so one request on my website can be on one server, and the other on another one.
I tried to store the session data in a SQL Server database, but I quickly discovered that I can't create the needed database on my shared server because I only have one database in my package. Also, there is no guarantee that the rest of the script would have been able to run.
My questions: is there any other way to get around this problem? Should I buy another database only for this? Is there another type of session that I could use? Is there anything else I can use instead of session to keep track of my user when they are connected on my website?
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Aug 5, 2010
I have been spending a better part of a week trying to track down why I am not able to clear all session variables in a web app (vs 2010, vb.net). What I have tracked it down to is that when I remove or abandon sessions that my html pages or codebehind access, it works, but for some reason in any of my class files where I use "Public Shared strConnection as String = HttpContext.Current.Session("strConnection").ToString" to access a session variable, it finds the old one and not the current one. I have to wait for it to time out, go in again, and it will find the new one.
I do not use Linq, and there is only one place in the whole web app that I place the connection string in a variable whcih is when a person logs in. It points them to the correct database. The sqlconnection is set for all of my listviews in Page_Init to make sure that they aren't using any session variable that they create on their own. Interestingly enough that if I use debug to go in each time, exit debug, enter debug again trying to access a different database, it works correct each time. I assume that debug is correctly killing the session variable for the classes for me.
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Feb 25, 2011
I have encountered this problem before on a few shared hosts but cant remember the fix. I have spent almost 2 days googling and I have even gone through 2 external hd's of backups of old projects and read the web.configs but I just cant put my find it and I dont think I am googling the correct terms...
I am using Mysql Connector/Net to store asp session state.
The mysql db is on the hosting server ( I have no mysql locally).
Opening a page locally creates a session in the db.
Opening a page on the host does not.
I have seen this issue before but was a long time ago and I have searched a few of the answered questions here but not too extensive, I'm sick of searching.
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Nov 1, 2010
I'm currently trying to interface our new intranet (ASP-MVC) with the web front end of our pager system. The pager system's front end is about 10 years old, poor interface and no documentation. To do this I have the form on the intranet post to the server, our server then sends an HTTP POST to the pager server that mimics what its own form sends.
While testing this for overloading (we sent about 10 messages almost concurrently) the pager server crashed, as the system is a black box and the only difference we noticed was the concurrent POSTs the least we can do is try to prevent this happening.I want to have all messages go into a queue that sends at most once every 5-10 seconds but I'm not sure how to implement this,
I didn't specify this earlier but the process should be synchronous from the point of view of the browser, ie webserver gets the http POST request from the browser, message is put into the queue, message is sent from the queue, webserver sends http response to the browser. This is not a high volume service and I expect simultaneous requests to be rare so response will be near instantaneous, it is more of a throttle to prevent potential issues with concurrent requests.
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Mar 1, 2011
how I can correct an error. I've built the MVCMusicStore tutorial here:
http://mike-ciccone.com/Store/
The first time I visit the site and attempt a database connection I get this error:
Exception Details: System.Data.SqlClient.SqlException: CREATE DATABASE permission denied in database 'master'.
But when I refresh, it all works fine. I'm at a bit of a loss. I don't believe I'm attempting to create a database, but I realise that the error may not really have anything to do with that. This is hosted at GoDaddy shared hosting. The database was created and I used an SQL script to create the tables initially and populate the data. My connection string works as I can pull data from the database, but I do have
a feeling it will be a web.config setting that will correct this.
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Aug 6, 2010
We have a common problem with tabbed browsing in Internet Explorer is that the session state is shared between the tabs.
Due to this our user can face many issues like
1) Suppose user has opened a .aspx page for (clientId=1) and editing it in one tab and at the same time user is editing another client(ClientID=2). And both are using same in session.
Due to the session sharing when page will auto refresh the first tab with (clientId=1) will see the data of clientId=2.
Its clear that the session is shared between the tabs.
I have also implemented the ASP.NET 2.0 offered solution by way of the following config setting
<sessionState mode="InProc" cookieless="UseUri"></sessionState>
But still our users are facing this issue. I am looking for solution to disabled the Tab programaticaly and also i wanted to know how to clear the cache programatically.
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Feb 28, 2010
how to maintain session id in windows services in c#.net ,please help me regarding this issue.
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Feb 24, 2010
im new to asp.net. . . im doing my final year project.How to use session variables in application using VC# and I also need to check with data base?
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Sep 20, 2010
Does Session Time - out is applicable ing Windows authentication?If so, in what event can i capture this?
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Jul 19, 2010
I'm working on an ASP.NET MVC web application that will be deployed across multiple load-balanced servers. With this setup, a user might have one request served by server A and the next request will be served by ServerB or ServerC. We don't want to store Session Data in the database, as we're trying to minimise database hits where ever possible. As such, we need to have the HttpSession managed and stored on another server. My understanding is that this is possible by using a Windows Service that will manage this for me, but I'm unfamiliar with how to implement this. Can somebody point me at some good documentation on how to do this? Or any pitfalls or other points to take into consideration?
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Feb 23, 2011
I would like to run Windows Server AppFabric Caching locally on a Windows 7 machine.
Is it possible to configure an ASP.Net app to use AppFabric Caching for session state with IIS Express?
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Apr 26, 2010
I have a ascx page on load of the page I save few data in the HttpContext Session, on selection of data in the screen I reload the page with relevant data for the selection. Until here the data in the session exists. But on click of a button say ok button to navigate to next page. all the data in the session is lost. But the same works in windows 7 and windows server 2008 not in windows XP. are there any configuration difference in windows 7 and XP.
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May 14, 2010
I have a search page where by a client searches for a product from a drop down list, upon clicking a button, a gridview is produced display the spec.
What I would like is the functionality for the user to make their selection and a new window pops up with the spec.
So I have a simple code behind for the search page:
protected void Button1_Click(object sender, EventArgs e)
{
Session["Product"] = DropDownList1.SelectedValue;
string strScript = "window.open('GridViewPage.aspx', 'Key',
[Code]....
Now upon first iteration, this does the job...gridview presented in new window...hurrah! i.e. a user searches for egg, the spec for an egg is presented in a new window.
However, what I would like to happen is that the user can make multiple searches so a number of new windows are opened. i.e. a user searches for egg once, the spec is returned in a new window; they then wish to see the spec for a chicken, so they use the search page to find said chicken, click the button and another new window is shown displaying the chicken's specs.
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Aug 25, 2010
I would like to know the version of ASP.NET supports using Windows AppFabric caching for session management or is it just about using the AppFabric session provider
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Apr 26, 2010
asp.net session data lost on postback of the page in windows XP.
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Jun 16, 2010
I have a page with a listview bound to a database. The user selects an item on the list, hits submit, and a new window opens up with the selection as part of a query string. I need the user to be able to select multiple items and open up multiple new windows. Heres my code:
[Code]....
Currently, the first selection will open up a new window, but none after that.
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