NHibernate和MVVM多線程

Question

我開始加載每個窗口/窗體的線程，所以沒有凍結。一切工作正常，但問題是當用戶在線程結束之前更改窗口（該線程返回綁定到數據網格的observableCollection）。有沒有辦法來檢測一個線程是否在更改窗口之前運行並殺死它？

錯誤消息我得到：

NHibernate.Exception.GenericADOEception: could not execute the query. 

MySql.Data.MySqlClient.MySqlException: There is already an open DataReader associated with this Connection which must be closed first. 

視圖模型代碼：

public GererArticleViewModel(INavigationService navigationService, IMarqueService marqueService, IFormatService formatService, IArticleService articleService) 
{ 
    _formatService = formatService; 
    _marqueService = marqueService; 
    _articleService = articleService; 
    _navigationService = navigationService; 

    LoadedEvent = new RelayCommand(Loaded); 
} 

    #region Commande 
    public ICommand LoadedEvent { get; private set; } 
    #endregion 

    #region Fonction 
    private void Loaded() 
    { 
     _articleService.AsyncRetrieveAll(LoadedCallback); 
    } 

    private void LoadedCallback(IList<Article> list) 
    { 
     ListeArticles = new ObservableCollection<Article>(list); 
    } 
    #endregion 

酒店ListeArticles是綁定到DataGrid

NHibernate的服務代碼：

public void AsyncRetrieveAll(Action<IList<Article>> callback) 
    { 
     new Thread(() => 
     { 
      var result = _session.Query<Article>().ToList(); 

      DispatcherHelper.UIDispatcher.Invoke(callback, result); 
     }).Start(); 
    } 

對不起我的英語，法語是我的母語。

Answer 1

NHibernate會話不是線程安全的，所以每個都必須有它自己的Session。