Kill all sessions using database

DECLARE @Stmt VARCHAR(1000)
SET @Stmt = ''    

SELECT @Stmt = @Stmt + 'KILL ' + CONVERT(NVARCHAR(3), [spid]) + '; '  
FROM [master].[dbo].[sysprocesses]   
WHERE DB_NAME([dbid]) = 'TestDb' AND [dbid] <> 0 AND spid <> @@spid   

EXECUTE(@Stmt)
GO