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  1. using System;
  2. using System.Linq.Expressions;
  3. using System.Reflection;
  4.  
  5. public class Address
  6. {
  7.     public string AddressID { get; set; }
  8.     public int AddressStagingID { get; set; }
  9.     public string Address1 { get; set; }
  10.     public string Address2 { get; set; }
  11.     public string City { get; set; }
  12.     public string County { get; set; }
  13.     public string Postcode { get; set; }
  14.     public string Country { get; set; }
  15.     public bool PreferredAddress { get; set; }
  16.     public int? DBID { get; set; }
  17. }
  18.  
  19. class Ideone
  20. {
  21. 		public static void Main()
  22. 		{
  23. 			Address a1 = new Address();
  24. 			a1.AddressID = "100";
  25.  
  26. 			Address a2 = new Address();
  27. 			a2.AddressID = "200";
  28. 			Console.WriteLine(IsObjectModified(a1,a2,a=>a.AddressID));
  29. 		}
  30.  
  31. 	    public static bool IsObjectModified<TSource, TProperty>(TSource object1, TSource object2, params Expression<Func<TSource, TProperty>>[] props)
  32.         {
  33.             Type objectType = typeof(TSource);
  34.             if (props == null)
  35.                 return object1.Equals(object2);
  36.  
  37.             foreach (Expression<Func<TSource, TProperty>> prop in props)
  38.             {
  39.                 MemberExpression memberExpression = prop.Body as MemberExpression;
  40.  
  41.                 foreach (PropertyInfo pi in objectType.GetProperties())
  42.                 {
  43.                     if (!pi.Name.Equals(memberExpression.Member.Name))
  44.                     {
  45.                         var valueA1 = pi.GetValue(object1);
  46.                         var valueA2 = pi.GetValue(object2);
  47.                         if (valueA1 != null && valueA2 != null)
  48.                             if (!valueA1.Equals(valueA2))
  49.                                 return true;
  50.                     }
  51.                 }
  52.             }
  53.  
  54.             return false;
  55.         }
  56. }
Success #stdin #stdout 0.05s 28192KB
comments (?)
stdin 
Standard input is empty
stdout 
False
https://ideone.com/KUXCAL
language:
C# (gmcs 5.20.1)
created:
4 years ago
visibility:
public

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