http://blogs.msdn.com/b/webdevelopertips/archive/2009/06/15/tip-79-did-you-know-how-to-quickly-comment-and-uncomment-in-your-web-pages.aspxSelect the lines you want to be commented in your ASPX, HTML, web config file etc&#160; and click on the Comment/ Uncomment icon in Toolbar. The comment icon looks like this: &#160; The icon for uncomment looks like: Alternatively you can use&#160; Keyboarden-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/webdevelopertips/archive/2009/06/15/tip-79-did-you-know-how-to-quickly-comment-and-uncomment-in-your-web-pages.aspx#9762447Tue, 16 Jun 2009 17:39:13 GMT91d46819-8472-40ad-a661-2c78acb4018c:9762447Steve Kaschimer<p>It works in code behind too. There are several other VERY convenient shotcuts keys in Visual Studio. Take a look at <a rel="nofollow" target="_new" href="http://www.dev102.com/2008/04/17/10-visual-studio-shortcuts-you-must-know/">http://www.dev102.com/2008/04/17/10-visual-studio-shortcuts-you-must-know/</a> for more (and don't forget the comments at the bottom either)</p> <p>Some of my favorites:</p> <p>Ctrl-K Ctrl-D : Formats your code (including html cleanup)</p> <p>Ctrl-M Ctrl-O : Collapses code to defintions only</p> <p>Ctrl-Shift-B : Build (I use this one about a thousand times a day...)</p> <p>Check out <a rel="nofollow" target="_new" href="http://xona.com/2005/08/02.html">http://xona.com/2005/08/02.html</a> for a handy macro to output VS keyboard shortcuts.</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=9762447" width="1" height="1">http://blogs.msdn.com/b/webdevelopertips/archive/2009/06/15/tip-79-did-you-know-how-to-quickly-comment-and-uncomment-in-your-web-pages.aspx#9762425Tue, 16 Jun 2009 17:27:31 GMT91d46819-8472-40ad-a661-2c78acb4018c:9762425DotNetShoutout<p>Thank you for submitting this cool story - Trackback from DotNetShoutout</p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=9762425" width="1" height="1">http://blogs.msdn.com/b/webdevelopertips/archive/2009/06/15/tip-79-did-you-know-how-to-quickly-comment-and-uncomment-in-your-web-pages.aspx#9756208Tue, 16 Jun 2009 01:56:50 GMT91d46819-8472-40ad-a661-2c78acb4018c:9756208What's New<p>Select the lines you want to be commented in your ASPX, HTML, web config file etc&amp;#160; and click on</p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=9756208" width="1" height="1">