You may have been hearing a bit about nullable types in Whidbey (a feature in both VB and C#) but you should read this post by Paul to get an explanation of what they are, how they work and why they are useful… all from a VB point of view!

_There's been a little confusion about how VB's going to handle nullable types in VB 2005, so let me try and amplify a little bit on the _ [ _entry on the VB team blog_ ](http://blogs.msdn.com/vbteam/archive/2004/05/28/143813.aspx) _._ ** _What are nullable types?_ ** _One of the primary differences between value types such as Integer or structures and reference types such as Form or String is that reference types support a null value.... ([continued in the full post](http://www.panopticoncentral.net/archive/2004/06/04/1180.aspx))_