This is my Model :
public partial class TAUX
{
....
[Required(ErrorMessage="Select one At least")]
public IEnumerable<short> SelectItems { set; get; }
}
This is my View :
@model pfebs0.Models.TAUX
<script src="/Scripts/jquery.validate.unobtrusive.js"></script>
<script src="/Scripts/chosen.jquery.js" type="text/javascript"></script>
<link href="/Content/chosen.css" rel="stylesheet" type="text/css" />
...
$(".chosen-select").chosen({ width: "100%"})
</script>
...
@Html.ListBoxFor(model => model.SelectItems, (ViewBag.CAT_ID as SelectList), new { @class = "chosen-select", data_placeholder = "Selection une Categorie..." })
@Html.ValidationMessageFor(model => model.SelectItems)
Client Validation dosn't work in my ListBox , but for other Attribute it works fine. How to fix it ?