public partial class UserDefinedFunctions
{
	[Microsoft.SqlServer.Server.SqlFunction]
	public static SqlString  GetDeclension(SqlString FIO, SqlInt case)
	{

		return (SqlString )Declension.GetDeclension(FIO.ToString(), (int)case);
	}
};

sp_configure 'show advanced options', 1;
GO
RECONFIGURE;
GO
sp_configure 'clr enabled', 1;
GO
RECONFIGURE;
GO

--DROP ASSEMBLY [MySQLServer.Tools.dll]
--go

CREATE ASSEMBLY [MySQLServer.Tools.dll]
FROM N'D:\Temp\MySQLServer.Tools.dll'
GO

CREATE FUNCTION [dbo].[GetDeclension ] (@FIO nvarchar(64), @case int)
RETURNS nvarchar(64), 
AS EXTERNAL NAME [MySQLServer.Tools.dll].[UserDefinedFunctions].[GetDeclension ]
GO