Dynamically construct the Lambda expression of OrderBy

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01. public class Employee
02 .{
03. public int ID {get; set ;}
04. public string Name {get; set ;}
05. public decimal Pay {get; set ;}
06. public float Height {get; set ;}
07 .}
Public class Employee
{
Public int ID {get; set ;}
Public string Name {get; set ;}
Public decimal Pay {get; set ;}
Public float Height {get; set ;}
}

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01. class Program
02 .{
03. static void Main (string [] args)
04 .{
05.
06. IList <Employee> list = new List <Employee> ();
07.
08. list. Add (new Employee () {ID = 2, Name = "D", Height = 175.50f, Pay = 6000.45 m });
09. list. Add (new Employee () {ID = 4, Name = "A", Height = 178.00f, Pay = 4500.8 m });
10. list. Add (new Employee () {ID = 5, Name = "C", Height = 173.54f, Pay = 7500.11 m });
11. list. Add (new Employee () {ID = 1, Name = "B", Height = 180.15f, Pay = 8000.2 m });
12. list. Add (new Employee () {ID = 3, Name = "E", Height = 182.3f, Pay = 5500.70 m });
13.
14. Console. WriteLine ("output List (before ID sorting )");
15.
16. StringBuilder builder = new StringBuilder ();
17.
18. foreach (var I in list)
19 .{
20. builder. AppendFormat ("{0},", I. ID );
21 .}
22.
23. Console. WriteLine (builder. ToString (). TrimEnd (,));
24. Console. WriteLine ("");
25.
26. Console. WriteLine ("output List (sorted by ID )");
27.
28. list = IListOrderBy <Employee> (list, "ID ");
29.
30. builder. Length = 0;
31.
32. foreach (var I in list)
33 .{
34. builder. AppendFormat ("{0},", I. ID );
35 .}
36.
37. Console. WriteLine (builder. ToString (). TrimEnd (,));
38. Console. WriteLine ("");
39.
40.
41. Console. WriteLine ("output List (before Name sorting )");
42.
43. builder. Length = 0;
44.
45. foreach (var I in list)
46 .{
47. builder. AppendFormat ("{0},", I. Name );
48 .}
49.
50. Console. WriteLine (builder. ToString (). TrimEnd (,));
51. Console. WriteLine ("");
52.
53. Console. WriteLine ("output List (sorted by Name )");
54.
55. list = IListOrderBy <Employee> (list, "Name ");
56.
57. builder. Length = 0;
58.
59. foreach (var I in list)
60 .{
61. builder. AppendFormat ("{0},", I. Name );
62 .}
63.
64. Console. WriteLine (builder. ToString (). TrimEnd (,));
65. Console. WriteLine ("");
66.
67. var tempList = IListOrderBy <Employee> (list, "Height ");
68.
69. Console. WriteLine ("output List (before Height sorting) Output List (after Height sorting )");
70.
71. for (int I = 0, len = list. Count; I <len; I ++)
72 .{
73. Console. WriteLine ("{0} {1}", list [I]. Height, tempList [I]. Height );
74 .&