@model object
@{
    Layout = "~/Views/Shared/EditorTemplates/_FieldLayout.cshtml";
}
@{
    var htmlAttributes = new RouteValueDictionary();
    if (ViewBag.@class != null)
    {
        htmlAttributes.Add("class", "form-control " + ViewBag.@class);
    }
    else
    {
        htmlAttributes.Add("class", "form-control");
    }
    if (ViewBag.@type != null)
    {
        htmlAttributes.Add("type", ViewBag.@type);
    }
    if (ViewBag.placeholder != null)
    {
        htmlAttributes.Add("placeholder", ViewBag.placeholder);
    }
}

@Html.TextBox("", ViewData.TemplateInfo.FormattedModelValue, htmlAttributes)