使用DropDownListFor添加'required'属性

Question

我有这个:

@Html.DropDownListFor(x => x.SelectedValue, new SelectList(Model.SomeList, "Value", "Text"))

并希望它呈现为:

<select required>
    <option>...</option>
    ...

我该怎么做？

Answer 1

用这个:

@Html.DropDownListFor(x => x.SelectedValue, new SelectList(Model.SomeList, "Value", "Text"), new {required = "required"})

它不会达到速记,<select required但它应该具有相同的效果.虽然我发现你可以使用它来实现那个确切的元素

@Html.DropDownListFor(x => x.SelectedValue, new SelectList(Model.SomeList, "Value", "Text"), new {required = (string)null})

哪个有点难看.