Enumerating HttpModules
One common ASP.NET performance tip is to remove any HttpModules that your application does not use. You can take a peek at which modules are loaded by the framework on your behalf by examining the framework’s Web.config file, but how do you find out which modules are actually loaded in the current context?
HttpValueCollection.ToString() generates your nice query strings
In an ASP.NET page, if you call Request.QueryString.ToString(), you’ll get a nicely formatted query string back, like this:
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“That’s nice,” I thought. “I wonder how they implemented it. I’ll fire up Reflector and take a look.”
Response.Redirect and the ThreadAbortException, and why it’s a good thing
A couple of months ago, I ran into a problem where I was seeing a bunch of ThreadAbortExceptions showing up in my logs. It didn’t take long to track down why – I was calling Response.Redirect from within a try/catch block in my ASP.NET code-behind page, and the catch block was catching the ThreadAbortException and writing it out to the log. But why was the ThreadAbortException being generated?