lass="col-sm-4 control-label">Password</label>
            <div class="col-sm-7">
              <input type="password" class="form-control"  formControlName="password" placeholder="Password">
            </div>
          </div>
        </form>
      </div>
      <div class="form-group">
        <div class="col-sm-offset-4 col-sm-8">
          <button type="submit" class="btn" (click)="onAddDevice()" [disabled]="!addForm.valid">Add</button>
          <button type="submit" class="btn " (click)="closeModal()">