代码如下：
如果我没有在组合框中选择任何值并按提交,则不会询问验证消息.
如果我没有在组合框中选择任何值并按提交,则不会询问验证消息.
<tr>
<td>Department </td>
<td> : </td>
<td class="@*@Model.NoEdit*@">
@Html.DropDownListFor(m => m.DepartmentId,new SelectList(Model.Departments,"SelectedDepartmentId","DepartmentCode"),"-- Select Department--",new {@class = "chosen-select",id = "cboDeptartment" })
@Html.ValidationMessageFor(model => model.DepartmentId)
</td>
解决方法
重申我的简短评论作为答案.
