dp.SyntaxHighlighter 1.4.1 Tests and Samples (dreamprojections.com/syntaxhighlighter)

Languages:

1. ActionScript2
2. C#
3. CSS
4. C++
5. Delphi
6. Java
7. JavaScript
8. PHP
9. Python
10. Ruby
11. SQL
12. Visual Basic
13. XML / HTML

Features:

1. Smart tabs
2. First line
3. Expand code
4. Show columns
5. No gutter

You can change the starting line number by adding firstline[#].

<textarea name="code" class="c#:firstline[42]" rows="15" cols="100">