ViewModel DisplayFormat Data Annotation not rendered in View

Question

Using ASP.NET 5 Web Application Template I am trying to render a date in short date format. My viewmodel looks like this

    [Display(Name = "Subscription Expires")]
    [DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:d}")]
    public DateTime? SubscriptionExpires { get; set; }

My view looks like this

    <dt><label asp-for="SubscriptionExpires"></label>:</dt>
<dd>
    @Model.SubscriptionExpires
</dd>

However @Model.SubscriptionExpires renders in long date format. How do I get the view to render the date in short date format?

Mister Epic · Accepted Answer · 2016-01-13 14:42:14Z

1

You're directly outputting the date to the page, there is no opportunity for your data annotations to be considered.

HTML helpers look at those annotations, so you could simply do this:

@Html.DisplayFor(model => model.SubscriptionExpires)

Alternatively simply format the date like this:

@Model.SubscriptionExpires.ToShortDateString()

answered Jan 13, 2016 at 14:42

Mister Epic

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1 Comment

Vague Over a year ago

Thank you @Mister Epic. 'ToShortDateString()' can't be used with nullable types but '@Html.DisplayFor(model => model.SubscriptionExpires)' did the trick.

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