general question : constructor in a class

[eramgarden]

I'm continuing reading the article about Classes. In this one, it's talking about having constructors...

 

http://www.developer.com/design/article.php/10925_3464311_2

 

I use vb.net/asp.net.

 

Question: Do i have to use it? i'm looking at the application that was designed by another developer and he doesnt have it in every class. This article says to use it when you want to init attributes.

[PlausiblyDamp]

If you need to perform initalisation of your class (with or without parameterisation) then a constructor is a useful tool, otherwise you will not need to create one.