Linq To Sql模式中自动生成T-SQL增删改操作系列~PropertyChanged事件实现在子类中记录属性的变化，在基类中进行统一处理

 1     /// <summary>
 2     /// 实体基类
 3     /// </summary>
 4     public abstract class EntityBase
 5     {
 6         public Dictionary<string, object> PropertyChangedList = new Dictionary<string, object>();
 7         protected void Entity_PropertyChanged(object sender, PropertyChangedEventArgs e)
 8         {
 9             PropertyChangedList.Add(e.PropertyName, null);
10         }
11     }
12     /// <summary>
13     /// 产品类
14     /// </summary>
15     public partial class Product : EntityBase
16     {
17         #region 导航属性
18         public Category Category_Extend { get; set; }
19         public virtual IEnumerable<Product_Property_R> Product_Property_R_Extend { get; set; }
20         #endregion
21 
22         #region 分部方法
23         partial void OnCreated()
24         {
25             this.PropertyChanged += new PropertyChangedEventHandler(base.Entity_PropertyChanged);
26         }
27         #endregion
28 
29     }

1 Product p = new Product { CategoryID = 2, CreateDate = DateTime.Now };
2 p.PropertyChangedList.ToList().ForEach(i => Console.WriteLine(i));
3 
4 Console.ReadKey();