The death of the ArrayList
In the good old .NET 1.x days where Generics wasn’t born yet, the ArrayList was the class to use for just about any type of collection. It was much easier to use compared to an array of objects and it did the job very...
HttpModule for query string encryption
URL parameters or query strings are often used to carry information that can be used by hackers to do identity theft or other unpleasant things. Consider the URL example.com/?user=123&account=456 and then imaging what a...
Do postbacks with parameters in JavaScript
Whenever you use a Button or LinkButton it is because you want to be able to do a postback when it is clicked. The same could be the case for CheckBox or DropDownList etc. but then you need to set the AutoPostback...
Keep the content-type in sync
Most websites include a meta-tag that tells the browser what content-type the document is. It looks like this: < meta http-equiv ="Content-Type" content ="text/html; charset=iso-8859-1" />> All ASP.NET web applications...
The what, why and how of XML code comments
During the years I’ve seen a lot of different ways of commenting code – some good and some bad. My personal favourite way of commenting code is by using the XML comment feature of C# and VB.NET, but the important part of...
The example domain
I always use google.com in my code samples as a way to show an example domain or URL. That’s because I wasn’t aware that there is a dedicated domain for use in samples which is'n available for registration. Check out...
Choose a standard number format
Today, I ran into an issue regarding the way numbers are parsed in different cultures, which resulted in very wrong numbers. The problem begins when your web application is set to automatically resolve the culture...
Get the query string right
Today, I ran into a strange little issue regarding the System.Uri class that took me too long to figure out. The Uri class has a property called Query that, according to the documentation, returns everything from the "?"...
The class you didn’t know existed
…Or at least a class I didn’t know existed, but let’s see if I’m right or not. The class resides in the System.Web.UI namespace and is used various places in ASP.NET. Among those places are the inner workings of the...
Block DoS attacks easily in ASP.NET
Denial of Service (DoS) attacks are becoming a more and more common way to bring websites and servers down. They are very easy to do and pretty hard to protect against, which is why they are so popular. The only thing...