Adding Styles to Built in Editor Templates in Razor

I thought I’d blog about this thing I keep forgetting the syntax for and I’m sick of Googling for it. It’s a bit of a niche thing in Razor. First, some background.

Previous to MVC 5, you could not add any styling to any of the built-in EditorTemplates. So, if you wanted to add a Bootstrap style to an input, you had to fall back on the simple Editor extension method:


@Html.EditorFor(m => m.Name, new { @class = "input-lg"}) // won't work
@Html.Editor ("Name", new { @class = "input-lg"}) // used to be OK - before MVC 5

The EditorTemplate would simply ignore the style. And if it happened to be the first time you bumped up against that foible, you probably blew half a day figuring out that it was not supported.

Someone whispered in Microsoft’s ear, because they changed this in MVC 5 (possibly the 5.1 release). The following syntax enables you to have your cake and eat it:


@Html.EditorFor(m => m.Name, new { HtmlAttributes = new { @class = "input-lg" }})

Note, you now have to use that new syntax with the simple Editor extension method as well.

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