It depends on type of app. If only C# without many dependencies on .NET fw
like appdomains and etc - he will.
The worst case is ASP.net - many changes need to be done
Michael Nemtsev [C# MVP] :: blog: http://www.yqcomputer.com/
"The greatest danger for most of us is not that our aim is too high and we
miss it, but that it is too low and we reach it" (c) Michelangelo
AW> My question really was, if one programmed C# for VS2003 (.NET1.1),
AW> will it easily migrate to VS2005 (.NET2.0)?