Thomas Marquardt's Blog

A security patch for ASP.NET v4.0 was released recently. The details of the patch can be found at...

Date: 10/08/2010

You can disable the v4.0 ASP.NET extensionless URL feature on IIS6 by setting a DWORD at...

Date: 06/18/2010

ASP.NET v4.0 has a new feature, when hosted on IIS 7, that enables the execution of extensionless...

Date: 05/26/2010

In this post I hope to clear up some misconceptions about the use of threads in ASP.NET applications...

Date: 04/14/2010

Recently a number of people have asked how MVC and ASP.NET routing impacts the performance of static...

Date: 04/01/2010

Try very, very hard to avoid using Response.Redirect(url), instead, use Response.Redirect(url,...

Date: 06/25/2009

ASP.NET throws HttpException for numerous types of errors, making it difficult to determine exactly...

Date: 03/10/2009

This post discusses an efficient way to compress content served by the ASP.NET output cache. In .NET...

Date: 08/27/2008

.NET Framework v2.0 SP2, which will be included with .NET Framework v3.5 SP1, is scheduled to...

Date: 07/22/2008

I've been giving this advice for years internally, and the problem pops up way too often. I'm sure...

Date: 04/29/2008

Perhaps one of the most loved and hated features of ASP.NET is the ability to detect file changes...

Date: 11/01/2007

I've uploaded a brief summary on the extensibility of ASP.NET Session State (see link to...

Date: 10/10/2007

1.0 What is the IIS Pipeline Conceptually, the IIS pipeline is a state machine with the following...

Date: 08/30/2007

This appears to be undocumented. By default, IIS7 uses kernel-mode authentication, which happens to...

Date: 08/29/2007

Using a timer in an ASP.NET application is not as simple as it seems. There are three problems that...

Date: 07/21/2007

I'd like to briefly explain how ASP.NET uses threads when hosted on IIS 7.5, IIS 7.0 and IIS 6.0, as...

Date: 07/20/2007

When v1.0 released, the only OS that ASP.NET supported was Win2k, the only process model was...

Date: 06/25/2007

In Visual Studio Orcas Beta 1, the AJAX ScriptModule is listed in the web.config template used for...

Date: 06/13/2007

The ClrProfiler 1.0 Where can I get it?...

Date: 06/08/2007

Good afternoon! My name is Thomas Marquardt. I am a developer at Microsoft on the ASP.NET team. I...

Date: 06/08/2007