If you want vertical lines and indent your code in Visual Studio automatically and Free then "Indent Guides" extension is for you. It supports Microsoft Visual Studio 2012 as well 2010 version.
Your code will be indented and vertical lines (there are 3 styles: dotted, dashed, and solid ) will be there to beautify your code. It makes very nice look and feel.
This works with all languages inside Visual Studio. You can get this Indent Guide extension from MSDN without any cost. The link is - http://visualstudiogallery.msdn.microsoft.com/e792686d-542b-474a-8c55-630980e72c30
See the Guide in action for C#-
See the Guide in action for HTML/aspx -
And for jQuery also -
The source code of this can be found here - http://indentguide.codeplex.com