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Editorial Team
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Asked: 2026-05-13T09:52:08+00:00

When I do field validation in Asp.Net MVC, it’s generated the following error css

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When I do field validation in Asp.Net MVC, it’s generated the following error css classes :

  • input-validation-error
  • field-validation-error

Is there a way that I can change the names of the error classes that are generated?

I use xVal.

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1 Answer

  1. Editorial Team

    I don’t know about xVal but as far as the ASP.NET MVC side of things go, if you have a look at the source you’ll see there are some static readonly strings that represent these values.

    public static readonly string ValidationInputCssClassName = "input-validation-error";
public static readonly string ValidationMessageCssClassName = "field-validation-error";
public static readonly string ValidationSummaryCssClassName = "validation-summary-errors";

    So either you edit the source to your liking (which may also fix xVal) or alter the outputting code to use different values somehow.

    If xVal is using jQuery Validation (which I think it does…?) you could change it’s default value for the ‘errorClass’ option. My answer here could help you along that path.

    HTHs,
    Charles

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