Daniel Vasquez Lopez's Blog

In my previous post I explained how to collect ETW events from URL Rewrite (or any other IIS provider) and then display those structured events in the Event Viewer. Now I want to show you how to collect ETW events using C#. The .NET Framework 3.5 provides...

The GoLive release of URL Rewrite Module is now available and has a lot of improvement thanks to the IIS Community feedback (and tons of internal brainstorm meetings!). A new feature is the ability to create Rewrite Rules by using Rewrite Templates, Rewrite...

IIS Failed Request Tracing is a powerful way to troubleshoot Web Requests, it provides an easy way to track each execution step for one specific request. URL Rewrite Module provides several events that can be tracked using Failed Request Tracing, here...

For some reason, every time that I want to enable code coverage for a library that I’m unit testing, I found hard to remember how to enable this fabulous feature. Here are the steps (that work for me): Double click the [Local].testsettings file in the...

If you need to run MS Test command line utility as a 64-bit process you need to do 2 things: Disclaimer : Be aware that this is not supported and it is under you own risk. 1. Backup the MSTest.exe file first and then remove the 32-bit flag by running...

Do a web request using System.Net classes, HttpWebRequest or WebClient. For example: new   WebClient().DownloadFile( "http://tinyurl.com/d5yy8a" , @"C:\Temp\file.xml" ) ; Or: HttpWebRequest.Create( "http://tinyurl.com/d5yy8a"...

Last week we shipped the first preview of URL Rewrite Module for IIS 7.0. If you are not familiar with URL Rewriting engines, please check out the walkthroughs: http://learn.iis.net/page.aspx/460/using-url-rewrite-module/ . If you are you familiar...

IIS allows you to use client certificates but it may give you hard time if your certificate is wacky (e.g. self-signed). In the client-side, if you have a .NET application that wants to be more permissible on accepting server certificates, you can hook...

I don’t really like this dialog, it is confusing and really hard to read for me. I just simply don’t like it: No further comment.

I just realized that forgot to use “NPR” as keyword for my “Tiny Radio” app; so here is this blog entry My first Windows Phone 7 app is “Tiny Radio” and what it does is to simply tune the closest NPR (National Public Radio) station based on your geographical...

I started playing with the .NET Framework 4.0 composition namespace (also known as MEF) and I want to share the most simple example I could write. The program prints out the providerName field, but the actual value is provided by the ExternalProvider...

The following registry values can be set for the IIS URL Rewrite module and will affect the global behavior of the module; use them at your own risk :) All these values (DWORD) can be set under the registry key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\InetStp...

Hi there!, I'm a development consultant at MS Mexico. I'd been bloging at http://danielvl.blogspot.com and now it's time to move to this new home :) I'm going to share whatever I have learned from the CLR, design and some Servers (e.g. BizTalk). Currently...

I hadn't posted since two years ago; a lot of things happen in such a time and now I'm part of the IIS team. I'm not sure about what to talk about, so I will start with random stuff. I found debugging very task oriented, there are a bunch of ways to...

I guess there are many ways to dispose this a timer, I was looking for an efficient way of doing it and making sure that after the Dispose method was called I had no outstanding timer notifications. In Win32 there is the concept of timer-queue timers...

There is no escaping character in an URL Rewrite expression, but here is how you include curly bracket within an URL Rewrite expression. For opening { curly bracket you will always require to use the UrlDecode function to generate the { character from...

It is possible to know the line where an application faulted even if it was not running under debugger or memory dump is not available. It won’t probably tell you why it failed, but it will give you at least a point where to start investigating. After...

Do performance work it is easy when you have the right tools for measuring gains or lost. I will share some thoughts about how to improve performance during rewriting, but please keep in mind that any change you do must be well thought and with performance...