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在我有一個小問題上感謝任何幫助。在實體對象的CollectionChanged事件中附加一個相關的屬性
我有一個實體框架類
public partial class BookingProduct
{
public BookingProduct()
{
this.BookingDesigns = new ObservableCollection<BookingDesign>();
this.BookingDesigns.CollectionChanged += ContentCollectionChanged;
}
public int BookingProductId { get; set; }
public int ProductId { get; set; }
public decimal Price { get; set; }
public virtual ObservableCollection<BookingDesign> BookingDesigns { get; set; }
public virtual Product Product { get; set; }
public void ContentCollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
{
//Retrieve Product here
}
}
在我的申請,我檢索BookingProduct與BookingDesigns從數據庫中包含但不是產品。我想知道是否在實體類中有一種方法來從ContentCollectionChanged事件中檢索產品?
預先感謝任何指針
嗨莫霍,謝謝你的回覆。實際上,我已經禁用延遲加載,並且需要產品在更改BookingDesign集合時更新價格......令我困惑的是,我知道;-) – ledragon