http://code.google.com/p/syntaxhighlighter/
You can hide the gutter by adding nogutter.
<pre name="code" class="c-sharp:nogutter" rows="15"/>
1 2 3 4 5 6 7 8 9 10
string path = "";
string safeReferrer = null;
FileInfo fileInfo = new FileInfo(string.Format("{0}/{1}", path, image));
int index = 0;