Asp.Net Mvc Hidden Field from Data Annotations

Question

I thought this would be a quick search on google but maybe I'm missing something. Is there a way, using Data Annotations, to set a ViewModel property to create a HiddenInput when the markup get rendered?

The only annotations I've found were to hide the property from the view entirely, I still want the property rendered but as a hidden input.

miensol · Accepted Answer · 2015-05-18 08:19:36Z

135

This property:

[System.Web.Mvc.HiddenInput(DisplayValue = false)]
public int Id { get; set; }

will be rendered as i.e.

<input id="Id" name="Id" type="hidden" value="21" />

when using Html.EditorForModel() or Html.EditorFor(m => m.Id)

edited May 18, 2015 at 8:19

answered Dec 28, 2010 at 1:08

miensol

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4 Comments

Jason Over a year ago

Fully qualify with System.Web.Mvc.HiddenInput or add the namespace.

Tien Do Over a year ago

Thanks, it worked well except Id property. I haven't known why, of course there was completely no validation attribute for Id property in my code.

user1752532 Over a year ago

Is there any reason why one would not use the html helper @Html.hiddenfor(_ => _.FOO) in the view?

VictorySaber Over a year ago

@gerdi you may want to leave the views (the .cshtml) alone and control the output by the model attributes only. Or you may wish to use @Html.EditorForModel() in which case you're not writing Razor code, and so you'd need the attribute.

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