Listview ViewModel

  public ObservableCollection<Person> _name;
  
  public ObservableCollection<Person> Name
        {
            get { return _name; }
            set
            {
                SetProperty(ref _name, value);
                OnPropertyChanged();
            }
        }
       
        Public Command ClickCommand
        {    
            get { return new Command(() => Login_OnClick()); }
        }
        
        private void  Login_OnClick(){
        //......
        }