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Asked: 2026-05-27T14:27:19+00:00

I’m feeling a bit lost with my question about HTML5 code generation, and despite

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I’m feeling a bit lost with my question about HTML5 code generation, and despite having put some efforts into my research I don’t really feel much wiser.

I use VS2010 for the creation of ASP.NET pages, and I do know that there is an (unofficial) “Web Standards Update” for VS2010 SP1. Using this update I can change the settings of the “Target Schema for Validation” in the ASPX editor window to HTML5. The new elements / tags and semantics are then available via Intellisense, and I can nicely code away manually using all the fancy new stuff.

What I don’t understand is how to get something like the ASP.NET controls to generate HTML5 code (where it makes sense). Is this at all possible or am I completely going in the wrong direction here? I would have expected that I do not have to “hand code” HTML5 as long as I use the existing controls (which tend to generate a lot of JavaScript in the background when the page is delivered to the client’s browser).

Thanks in advance for a clarifying answer

G.

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1 Answer

  1. Editorial Team

    Some controls generate slightly different dialects of HTML based on the particular User-Agent. However, not all of them know about HTML 5 yet, and there’s no specific property to enable HTML 5 generation, just as there isn’t a property to enable other dialects of HTML.

    If you want to generate HTML 5, you can do one of three things:

    1. Create a new control that overrides the existing one, and either use it directly or replace the original with it everywhere in your app with tag mapping
    2. Create a control adapter and modify the control’s output as it’s generated
    3. Create a custom control
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