C# - Redirect If Maximum Connections / Sessions Reached?
Mar 5, 2010
is there a way to redirect a user when there are n people/sessions on a site. I have a requirement to redirect to a 'sorry we are busy, please try later' page if there are too many people currently engaging the site (this is to stop flooding a live business service that is behind the webpages). The ideal is that only new users (users not already logged in) are shown this page. I was going to just count concurrent logins but wondered if there was a better way to count current activity rather than login status being that most users might stay logged in for a while.
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Mar 26, 2016
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Jan 4, 2011
I developed a web site using Sybase PowerBuilder V12.0 Classic and the output is deployed and converted to ASP.Net (ASPX) web pages.The Database connection is configured and used properly as the data is displayed in the web application using DataWindow Objects and is a direct connection with sybase Database Server using Dsedit Tool and No ODBC is used.I edited The Sybase Databse configurations related to remote servers and connections to be more than the default value which was 25 although the real number of users will not exceed that in the same time.Recently I received an error message when some users connected to the web site and after making valid logins:-The Error Message is:-Maximum number of connections already opened ct_connect(): user api layer: external error: The maximum number of connections have already been opened.
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Aug 9, 2010
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Nov 5, 2010
I couldnt help but notice that if you have a FileUpload-control, and then try to upload a file thats bigger(in bytes) then the allowed maxiumsize, then the site crashes or some wierd "Connection problem"-page shows up, atleast for me in Firefox...
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Dec 28, 2010
We have a web application running which having around 100 users logged in, All clients are connected to server using websync. I was having requirement for keeping the session always live, so I am regenerating session when it is about to expire.
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Dec 28, 2010
We have a web application running which having around 100 users logged in, All clients are connected to server using websync. I was having requirement for keeping the session always live, so I am regenerating session when it is about to expire.
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Nov 26, 2010
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Aug 11, 2010
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Jun 14, 2010
I am running Visual Studio 2008 on a Vista-business 64-bit system Virtual Machine setup, which I access via Remote Desktop Connection from my home system.
When I try to publish a website on my virtual machine, I get the following message:
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Jul 6, 2010
I'm trying to do something simple but all the solutions I have read on the net do not work. I have restricted the file size limit to my uploads to 10MB in the web.config file. Now I want to show an error once a user attempts to submit a file larger than 10MB.All I get is a page cannot be displayed if the file size is too big. I have tried the following:
[code]...
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Jul 8, 2010
I am in process of developing a registration website for a convention for work. When people register they can choose an activity to do on the convention, however some activites have a maxmium number of people. In my activity table in the database i have the following fields;
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May 26, 2010
my website just started throwing this error whenever I try to debug. The full error is ...Parser Error Message:An error occurred loading a configuration file: Failed to start monitoring changes to 'path to my server' because the network BIOS command limit has been reached. For more information on this error, refer to Microsoft knowledge base article 810886. Hosting on a UNC share is not supported for the Windows XP Platform.
Checked out the article, but doesn't seem to apply, as my pc hasn't changed recently... [URL] why it was working fine just a few minutes ago, and now it isn't? The code on the site is working fine, it's just when I'm trying to debug.
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Mar 31, 2010
say you have a table named 'Events' and in there is a list of items such as:
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---
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This needs to be running constantly so I was thinking of building it into a Windows Service but can you suggest a better way of doing it?
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Feb 24, 2011
I have an application that posts to a form on a different page, on a different site. Everything works fine unless the user presses the back button.The way it'ssetup now, if th euser forgets their pin, they click alink which takes them to a popup window. The enter their info and then they're sent a new pin. Fine.However, I'm trying to account for all possible scenarios. What if the user forgets their pin, is taken to this other page, and then decides they remembered their pina nd presses the back button. They'll need to reload in order to be able to try to post again, otherwise the session variables I'm using to log them in won't reset (I reset some in the page load event).Is there anyway to detect whether the page was arrived at via the browser back button so that I can reload it?
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May 23, 2010
i waould like to know how i could run code when the user is about to logout due to inactivity.The reason for this is, i have 2 things, a chatroom, and a members online list, and the chat deletes any users that may still be logged in, and removes them off members online list, but ONLY when they click on logout.
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Jul 17, 2013
we need to extract the data from Facebook API for 50k companies per day. When we are running applitation, we are getting error like Application request limit reached. Is there any way around to increase the request limit. I am thining may be dynamcally changing the IP address, resume thread for some time, etc.
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Dec 12, 2010
I have simple asp.net web service, for monitoring and managing about 10 computers, with 4 webMethods and all of this methods are quite simple. In general they look sometning like: (1)make WMI connections to certain machine, (2)do some simple task, (3)return result.
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Apr 12, 2010
I've inherited a very large project in ASP.net, SQL 2005 and have found where some SQL connections are not closed - which is bad. Without going thru every line of code, is there a way to detect if connections are not being closed? Performance counter? as a follow up - how does SQL reclaim unclosed connections. I'm using non-pooled connectionstring.
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Jan 19, 2011
I'm having some problems with connections to an SQL database not closing after being opened, which is maxxing out the pool and causing the site not to load any of the dynamic content (until eventually unused idle connections get close, as the problem seems to go away after a while).
I've been through my code several times and can't figure out where things are not being closed properly.
Is there a surefire way to make sure these connections are properly closed? Or to pinpoint where the problem lies?
Most places in the site I am using ObjectDataSource. You don't need to close a connection when using that, do you?
Where ObjectDataSource isn't used, a developer wrote this method and put it in a class file called "common.cs":
[Code]....
I searched the entire solution for every instance of "common.openDatabase()", and where it occurs I make sure there is a "cmd.Connection.Close();" that follows.
Am I missing something or doing it wrong?
Here's an example of where a db connection gets opened and then (purportedly) closed:
[Code]....
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Mar 16, 2010
I get this error on line 39 -"Server does not support secure connections.".
[Code]....
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Feb 8, 2011
I'm having an issue with my hosting provider (winhost.com). My app is built on ASP.NET 4 MVC 3. Up until a few days ago, everything was running fine. All of a sudden I've started getting 503 errors when trying to access my site (wikipediamaze.com). It doesn't happen all the time, just most of the time.
When someone starts playing the game a request is made to wikipedia.org to get the contents of the page for the current step in the puzzle. Basically I'm screen scraping wikipedia.org, injecting some html and then displaying the results. All of my web requests are closed immediately after receiving the data.
What winhost is telling me is that there are connections remaining open and causing any additional requests to the site to get the 503 Service Unavailable Error. What I can see from my end is that only 1 request is ever allowed to be made to wikipediamaze.com at a time. If you keep refreshing the page you'll eventually get the HTML but all subsequent requests (css,images,js) all get the 503 error. Even pages that don't ever call out to wikipedia.org.
If it was an issue with connection throttling in IIS, do both incoming and outgoing (requests made internally) fall in to the same bucket? If I'm sure all of my connections are being closed (and I've never had this issue before) what else could cause this?
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Aug 12, 2010
I have a problem with the connection of external files - northwind.MDF Connection to SQL Server is fine.
But to connect to external files wrong. Error: A network-related or instance-specific error occurred while establishing a connection to SQL Server. The server was not found or was not accessible. Verify that the instance name is correct and that SQL Server is configured to allow remote connections. (provider: SQL Network Interfaces, error: 26 - Error Locating Server/Intance Specified)
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Jun 8, 2010
I have a website with high traffic.
Maybe I will increase minimum connections pool, to 100.
This is too high? Website have 10000 pageviews/day
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May 21, 2010
My ISP manager complains that my pages open too many connections and it should be dealt with immidiatly.Now, i'm not sure what exactly he means.Most of my pages look something a like : Two drop-down-lists, one gridview, and few other controllers.now, MOST OF THESE CONTROLLERS POST BACK AND FETCH INFO FROM THE DATABASE.each of the eventhandler create a new connection instance, open a connection, fetch info, and than closes the onnection.Thing is that many users visit the site at (probably) the same time, so i was wondering how could I decrease the number of connections?Perhaps making sure that the connections do close immidiatly post command execution?
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