1   /// <summary>
 2         /// 根(gen)據主鍵(jian)得到一個實體
 3         /// </summary>
 4         /// <typeparam name="TEntity"></typeparam>
 5         /// <param name="id"></param>
 6         /// <returns></returns>
 7         public virtual TEntity GetEntity<TEntity>(params object[] id) where TEntity : class
 8         {
 9             var count = 0;
10             List<PropertyInfo> res_Primary = new List<PropertyInfo>();
11             List<EntityKeyMember> keyMemberList = new List<EntityKeyMember>();
12             PropertyInfo[] properties = typeof(TEntity).GetProperties();
13             foreach (PropertyInfo pI in properties)
14             {
15                 System.Object[] attributes = pI.GetCustomAttributes(true);
16                 foreach (object attribute in attributes)
17                 {
18                     if (attribute is EdmScalarPropertyAttribute)
19                     {
20                         if ((attribute as EdmScalarPropertyAttribute).EntityKeyProperty && !(attribute as EdmScalarPropertyAttribute).IsNullable)
21                             keyMemberList.Add(new EntityKeyMember(pI.Name, id[count]));
22                         count++;
23                     }
24 
25                 }
26             }
27             return _db.GetObjectByKey(new EntityKey(_db.DefaultContainerName + "." + typeof(TEntity).Name, keyMemberList)) as TEntity;
28 
29         }