SQL Server 2000 really has no knowledge of the CLR ... IIRC, there are sneaky ways to embed .NET Assemblies into SQLServer and have them be recognized, however, it is not a supported process. Read this <a href="http://support.microsoft.com/default.aspx scid=kb;en-us;322884">article</a> for more information.
Extended stored procedures in C#
Mv45
RJHarris0