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I have a website which created first by Visual Studio 2005, then I convert in to Visual Studio 2008 and currently using Visual Studio 2008. After Visual Studio 2010 Service Pack 1, HTML 5 and CSS 3 seem to be available. I want to convert my website to a VS 2010 website which uses HTML5.

How can this be done?

Is it possible to convert it to an ASP.NET Web Application while I'm porting it from VS2008 to Visual Studio 2010 ?

I know how to convert a website to web application in Visual Studio 2008 but I haven't used Visual Studio 2010 and have no idea about the differences.

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I've updated my answer with news of latest release by Microsoft :) – IrishChieftain Apr 13 '11 at 2:32

4 Answers

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As mentioned by smnbss, there is no conversion tool to do this for you. That said, there is intellisense support available for HTML5 and CSS3 in VS 2010 with the new SP1. More info:

http://madskristensen.net/post/HTML5-CSS3-in-Visual-Studio-2010-SP1.aspx

http://geekswithblogs.net/ranganh/archive/2011/02/07/html5-and-visual-studio-2010.aspx

Its quite possible to do this if you avoid the use of controls that spew out ugly HTML; for example, choose ListViews instead of GridViews.

Also, use the HTML5Boilerplate to assist you with cross-browser consistency.

And here is how to integrate the Boilerplate into an ASP.NET Web Forms project with Nuget (Caveat: this is new and I have not tried it):

http://nuget.org/List/Packages/Html5Boilerplate.WebForm

Before applying HTML5Boilerplate, you need to identify your own priorities as far as your user base is concerned, then determine which mix better suits your situation between:

Progressive Enhancement and Gradual Degradation

Finally, since "mobile" Web usage has surpassed that of desktop browsers for the first time ever, you might want to consider going "Mobile First"

UPDATE:

ASP.NET MVC3 has just been released and includes HTML 5 enabled project templates:

http://www.asp.net/mvc/mvc3

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+1 for the boilerplate :) – Justin Apr 12 '11 at 1:54
up vote 5 down vote

I do not think there's any tool to convert ASP.NET applications to HTML 5... Basically HTML5 is just like HTML4, with a few more tags you can use for specific purposes.

In your master page you can start to use the nav tag for animations, if you used flash to display videos you can convert them to use this http://camendesign.com/code/video_for_everybody.

Basically if you want to use "new" features of html5 you can do it, but there's no way to "convert" what you've done to HTML5

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up vote 5 down vote

What features of HTML5 are you going to use? It's not something like .NET 1.1 VS .NET 4.

First of all you have to know what HTML5 really is.

If you are searching for a tool that converts your Flash files to HTML5, I don't know any.

But, converting HTML4 to HTML5... It's the same dude! Just with more functionality.

And don't forget that many users in our country are still using IE6.

Cheers

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up vote 1 down vote

Find out the difference between HTML5 and current ASP.NET web site page, and use replace feature(Ctrl+Shift+H) in VS.

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