Occasionally with websites, the need arises to have a block of code that executes only on a particular set of servers–whether local development servers, or client servers, or production servers. In particular, you may find this useful if you have code you want to run only on development servers. How, then, can you accomplish this?

Enumerations (enums) make your code much more readable and understandable. How to use enums to enrich your code. Includes C# and VB.NET enum example

A static function is static because you do not need to create an instance of the class in order to use it. Some popular static functions are located in the Math library, for example, Math.Min(x,y). Your class or function can be static when it has no need for class or member variables, and it is also compact and stateless. Don’t forget, you have to still consider thread safety!

How incorrect use of HttpContext can break object oriented principles and how to fix it.

What is a .NET Predicate and a C# example on how to use it.

With .NET 2.0 we can use .ConnectionStrings, and gain 3 benefits. – We can encrypt our connection strings on the fly using reg_iis (or by other methods), We can add SQL Cache Dependencies, By putting connection strings in the right place, we can take advantage of any new features that come out that use the ConnectionStrings element