@model DateTime
@{
    Layout = "~/Views/Shared/EditorTemplates/_FieldLayout.cshtml";
    var inputSize = (string)ViewData.ModelMetadata.AdditionalValues["InputSize"];
}
@if (!string.IsNullOrEmpty(inputSize))
{
    @Html.TextBox("", (Model != DateTime.MinValue ? Model.ToShortDateString() : string.Empty ), new { @class = inputSize})
}
else
{
    @Html.TextBox("", (Model != DateTime.MinValue ? Model.ToShortDateString() : string.Empty ))
}