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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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w3wp.exe hogs memory

On a Small Business Server 2011 installation a whole number of w3wp.exe processes appear to be using a disproportional lot of memory. The SBS out-of-the-box installations comes with a total of 7 sites and 20 ASP.NET application pools (Sharepoint,…
the-wabbit
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ASP.NET High CPU Bringing Servers to their Knees

Ok, our new build is having 100% cpu spikes on each server at random intervals. For long durations it make the site totally unresponsive - this will be at peak times as people in different countries log on to the site etc. We've looked at perfmom,…
user880954
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ASP.Net State Service missing from Services

The ASP.net State Service appears to have mysteriously disappeared from our web server's Services list after changing the .Net version in an IIS app pool to v4 and then changing it back to v3.5 again. We're not even sure if that's related. Does…
TimS
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Mailbox unavailable, client does not have permissions to send as this sender - only the first time

Our users can send emails from our ASP.NET Web application on the click of a button. In our testing environment, there is a strange thing going on. The first time the application tries to send the email, we get the exception: Mailbox unavailable.…
Peter
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How to install mono in Linux server?

I would like to install mono in Linux server.I don't know Linux.I have to work in .net application which will run in Linux server.I would also like to know how can i run my first asp.net application in linux server.Please help me to sort out this…
PrateekSaluja
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IIS on localhost is very slow

I am using IIS7 on Windows Vista dual core cpu. The first time hit on a WCF service or an ASP.NET webform sometimes takes way longer than a minute which is not really acceptable for me. I configured the application to use the Classic .NET…
Nyla Pareska
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Performance of IIS+ASP.NET vs (NGINX + FastCGI + Mono or XSP)?

How much requests each can handle? How many RAM needed? As I remember FastCGI are opened initialized processes, each can handle one request. What about multithreading?
Igor Golodnitsky
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How to virtualise a SharePoint ASP application

I have noticed the occasional article that mentions virtualising a site on sharepoint so that the site appears as if it is replicated among several site collections. I have a requirement to deploy a site to a single virtual folder under IIS, but…
ProfK
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IIS Output Cache vs ASP.NET Output Cache

Quote from iis.net: The ASP.NET page output cache is separate from the IIS 7 output cache. In applications that use the Integrated ASP.NET mode, the ASP.NET page output cache can be used programmatically for any content-type, much like the IIS 7…
BornToCode
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IIS7.5 App Pool recycles - .Net OutOfMemoryException

strange situation with .Net OutOfMemoryExceptions in IIS / Windows 2008 R2 being thrown on random pages of the application being hit. We have about 1000 separate sites that are the same .Net application (different codebase folders and app pools per…
Code Monkey
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how does NewRelic work by simply installing .Net agent?

Yesterday, I decided to give NewRelic a try. I signed up for a free account, and installed the .Net agent, and restarted IIS as instructed. Immediately, this agent started showing up a wealth of information on the dashboard like: most slow SQL…
Karl Cassar
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Why does IIS randomly restart my web application?

I was having issues with a website on my server which was occasionally losing session state. I narrowed the problem to IIS7, so I added a method to the Application_Start event (it's an ASP.Net MVC app), which emails me every time the application…
RKitson
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Can I prevent IIS from recycling if /bin changes?

IIS recycles an ASP.net Application Pool automatically whenever either the /bin folder or the web.config file changes. Is there a way to disable that feature? This is IIS 7.5 running in Integrated mode, and the underlying intention is to allow…
Michael Stum
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Scaling out within a VMware host - add vCPUs or VMs?

We have an ASP.NET MVC site hosted on two VMware ESX hosts. Each host has two sockets with quad core CPUs (8 logical cores per host). We have two VMs on each host. Initially, only one vCPU was allocated to each host. We increased the vCPUs per host…
Aidan Ryan
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Why do web sites in IIS7/7.5 have ASP.NET ISAPI filters enabled by default?

EDIT: Due to the potentially critical nature of the answers to some of my questions below, I am adding this strong warning: Do not remove the filters I speak of here unless you know exactly what it is doing; the security of your application could be…
Andrew Barber
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