Questions tagged [asp.net]

Web application framework developed by Microsoft

ASP.NET is a web application framework developed by Microsoft that allows web developers to create dynamic web sites and applications.

First released in January 2002 it is the successor to Microsoft's Active Server Pages (ASP) technology.

ASP.NET is built on the Common Language Runtime (CLR), allowing programmers to write ASP.NET code using any supported .NET language such as C# or VB.NET.

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Moving a site from IIs6 to IIS7.5

I need to move a site off of IIS6 (Win Server 2003) and onto IIS7.5 (Win Server 2008) as soon as possible. Preferably tomorrow. The site itself is a delightful mix of classic asp (vbscript) and one-off asp.net (C#) applications (each asp.net app is…
Sukotto
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Intermittent high CPU (100%) on production webserver

X-Post from StackOverflow: https://stackoverflow.com/questions/9465123/intermittent-high-cpu-100-on-production-webserver We have a web cluster with 3 web-servers, each with 24 cores & 24GB mem. Our application is latest patched ASP.NET 4.0, With…
Dave
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Javascript Errors only on Production Server?

I am in the process of releasing a couple of asp.net websites from development to production. Everything seems to be working fine in development, but upon the release to production we get a number of javascript errors when accessing the site. This…
ChrisHDog
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404 when page exists - IIS 5, ASP.NET 4.0

I have a webserver running Server 2003 Datacenter and IIS 5 which is hosting a variety of ASP.NET 2.0 websites. I'm attempting to add an ASP.NET 4.0 website which I wrote via the VS2010 Beta, and I have .NET 4.0 Beta 1 installed on the server. The…
tsilb
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What are the key performance metrics to monitor for a deployed ASP.NET web application?

I have full logging ( using log4net) throughout the application. What are the key WMI variables etc that should be monitored. If you had to pick 10 things that you would look at everyday what would they be and why are they important.
bearrito
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Login failed for "IIS AppPool\ASP.NET v4.0" - SQL Server Web

I'm trying to migrate a website from SQL Server 2008 Express to SQL Server Web, and the website is having trouble accessing the database. In truth, Express was only ever used by running the website from Visual Studio's builtin web server, so I'm…
user55974
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Perfmon: which counter identifies that threads are waiting?

While load testing an ASP.NET app, we find that the pages are taking 20-30 sec under heavy load. We suspect this is because the pages are waiting for database calls or web services. Is there a particular perfmon counter that can identify this sort…
frankadelic
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Installing mod_mono on Ubuntu: handler doesn't seem to get registered

I'm trying to install mod_mono on Apache 2 (Prefork MPM). I'm using Ubuntu Karmic, and just want an auto-hosting setup (so that any .aspx files are executed, similar to how PHP is normally setup). I did the following to install Mono: $ apt-get…
Trevor Johns
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How to check how many users are online?

I administer a ASP.NET website that has decent traffic. In the middle of the day, I sometimes would need to either redeploy the website, change the configuration in the web.config file or make some update to the SQL Server. In theory, when I make…
user25164
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Mono on Linux: Apache or Nginx

I'm developing an ASP.NET application that will be run under Linux/Mono for various reasons (mostly to stay away from IIS, quite frankly). Of course the first web server I had in mind was Apache. But Apache, for all its advantages, adds a lot of…
Astaar
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IIS6: How to troubleshoot a 404 error in an ASP.NET application?

I have an ASP.NET application on a Windows Server 2003/IIS6 that refuses to run for some reason (it's the Xerox Centre, if that info helps). It has been working flawlessly before though on this server. Now, all I get if I try to open the app…
Tomalak
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IIS 500.19 error on 0.01% of requests

We have deployed a simple ServiceStack application delivering Podcast RSS-feeds in IIS 7. Scouring the IIS logs, we found that a tiny amount of the requests get a HTTP 500.19 error code. Of the ~550 000 daily requests, around 600 of them fail with…
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Why is ASP.NET auto-generating different machine keys when IsolateApps is disabled?

I'm hosting two web apps in IIS 7.5. They must share the ASP.NET Forms Authentication cookie. Since I do not want to put the machine key in the Web.config (I am not using web farms and I don't want the key visible in the web.config file), I've set…
Stephen Jennings
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How to see which asp.net application in a pool is using the most memory

We have an application pool in IIS which a few applications belong to. According to Task Manager, this apppool is using over 4gb of memory, and I need to figure out which specific application is the cause of this. Is there any way to get more…
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Could a Microsoft security update make major changes to the IIS configuration like this?

I've recently noticed a number of significant changes to my IIS configuration, some of which have major implications. I've dug through the daily backups and found that the change coincides with the installation of several security updates on 12 Sep…
RomanSt
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