l-sm-1">
                                                  <select id="selecteddataval" class="form-control"  ng-model="x.operator" >
                                                      <option value="Equal">Equal</option>
                                                      <option value="Exists">Exists</option>
                                                  </select>
                                             </div>
 
                                             <label class="col-sm-1 control-labe