2
这是我的类代码MVC下拉列表不验证,并给予警告
public string tempHouseHoldSSNVerification { get; set; }
这是我CSHTML代码
<tr>
<td width="550"><p class="text-primary">Was an error found for SSN verification?</p></td>
<td width="20"></td>
@{
List<SelectListItem> listItems = new List<SelectListItem>();
listItems.Add(new SelectListItem
{
Text = "-- Select One -- ",
Value = null,
Selected = true
});
listItems.Add(new SelectListItem
{
Text = "N/A",
Value = "N/A"
});
listItems.Add(new SelectListItem
{
Text = "Yes",
Value = "Yes"
});
listItems.Add(new SelectListItem
{
Text = "No",
Value = "No"
});
}
<td>
@Html.DropDownListFor(model=>model.tempHouseHoldSSNVerification, listItems, new { @class = "form-control" })
@Html.ValidationMessageFor(model=>model.tempHouseHoldSSNVerification)
</td>
</tr>
我想,以确保用户选择N的三个选项之一/ A,是或否,否则会给用户一个警告。
您需要通过添加'[Required]'属性来制作所需的属性。但是你应该删除你的第一个'SelectListItem',并使用'@ Html.DropDownListFor(m => m.tempHouseHoldSSNVerification,listItems,“ - Select One - ”,new {@class =“form-control”}) –