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Asked: 2026-05-26T17:09:37+00:00

The variable strCSSClass often has a value but sometimes is empty. I do not

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The variable strCSSClass often has a value but sometimes is empty.

I do not want to include an empty class=”” in this input element’s HTML, which means if strCSSClass is empty, I don’t want the class= attribute at all.

The following is one way to do a conditional HTML attribute:

<input type="text" id="@strElementID" @(CSSClass.IsEmpty() ? "" : "class=" + strCSSClass) />

Is there a more elegant way of doing this? Specifically one where I could follow the same syntax as is used in the other parts of the element: class=”@strCSSClass” ?

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  1. Editorial Team

    You didn’t hear it from me, the PM for Razor, but in Razor 2 (Web Pages 2 and MVC 4) we’ll have conditional attributes built into Razor (as of MVC 4 RC tested successfully), so you can write things like this:

    <input type="text" id="@strElementID" class="@strCSSClass" />

    If strCSSClass is null then the class attribute won’t render at all.

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