输入不是必需的

Question

＆＃13;

＆＃13;

<div ng-repeat="PhoneNumber in PhoneNumbers">
    <div class="form-group">
        <div class="col-sm-5">
           @Html.TextBox("PhoneNumber[{{$index}}].Phone", null, new {ng_required="true",@class = "form-control space-bottom",placeholder = "Your Phone Number", ng_modal = "{{PhoneNumber.Phone}}"})
           <div ng-show="subForm.$submitted 
            ||subForm['PhoneNumber['{{$index}}'].Phone'].$touched">
                  <span class="text-danger" ng- 
        show="subForm['PhoneNumber['{{$index}}'].Phone'].$error.required">
                  Tell us your Phone.</span>
            </div>
      </div>
      <div class="col-sm-5">                                
           @Html.DropDownList("PhoneNumber[{{$index}}].Ranking", new 
           SelectList(Enum.GetValues(typeof(RankPhone))),
           "", new { @class = "form-control space-bottom", ng_modal = " 
            {{PhoneNumber.Ranking}}", ng_required="true"})
            <div ng-show="subForm.$submitted || 
             subForm['PhoneNumber['{{$index}}'].Ranking'].$touched">
                    <span class="text-danger" ng- 
            show="subForm['PhoneNumber['{{$index}}'].Ranking'].$error.required">
            Rate your Phone.</span>
            </div>
       </div>
                        
    </div>
</div>                

＆＃13;

＆＃13;

＆＃13;

我正在使用电话簿和模板（asp .net）是一个电话列表，可以使用角度创建动态表单。问题是必须要求手机输入，并且ng-required不起作用。