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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. public class Test
  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(IsAddressModified(a1,a2,a=>a.AddressID));
  29. 	}
  30.  
  31. 	public static bool IsAddressModified(Address a1,Address a2,params Expression<Func<Address,Object>>[] props)
  32. 	{
  33. 		if(props == null)
  34. 			return a1.Equals(a2);
  35.  
  36. 		foreach(Expression<Func<Address,object>> memberExpression in props)
  37. 		{
  38. 			MemberExpression property = memberExpression.Body as MemberExpression;
  39. 			if(property != null)
  40. 			{
  41. 				foreach(PropertyInfo pi in typeof(Address).GetProperties())
  42. 				{
  43. 					// exclude all properties we passed in
  44. 					if(!pi.Name.Equals(property.Member.Name))
  45. 					{
  46.  
  47. 						var valueA1 = pi.GetValue(a1);
  48. 						var valueA2 = pi.GetValue(a2);
  49. 						if(valueA1 != null && valueA2 != null)
  50. 							if(!valueA1.Equals(valueA2))
  51. 								return true;
  52. 					}
  53. 				}
  54. 			}
  55. 		}
  56.  
  57. 		return false;
  58. 	}
  59. }
Success #stdin #stdout 0.08s 24312KB
comments (?)
stdin 
Standard input is empty
stdout 
False
https://ideone.com/ndLfGR
language:
C# (gmcs 5.20.1)
created:
10 years ago
visibility:
public

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