v modelu mam property s validacnim atributem required a svoji chybovou zpravou
[DataMember]
[Required(ErrorMessage = "Prefix nemůže být prázdný")]
[Display(Name = "Prefix)]
public decimal RegCisloPrefixId { get; set; }
ale ve view mi leze dropdown, ktery pri prazdnem radku hlasi vychozi The Decimal field is required
<p>
<%: Html.LabelFor(model => model.RegCisloPrefixId, new { @class = "SizableLabel", style = "width: 20em;font-weight: bold;" })%>
<%: Html.DropDownListFor(model => model.RegCisloPrefixId, ViewData["Prefixes"] as IEnumerable<SelectListItem>, new { onchange = "ToggleElementsByPrefix($('#RegCisloPrefixId option:selected').val()," + -1 + ")" })%>
<%: Html.ValidationMessageFor(model => model.RegCisloPrefixId) %>
</p>
jak tam dostanu ten svuj text ? u TextBoxFor to normalne funguje