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  1. using System;
  2. using System.Linq;
  3. using System.Collections.Generic;
  4.  
  5. public class Test
  6. {
  7.     class x
  8.     {
  9.         public int QuestionID;
  10.     }
  11.     class objx
  12.     {
  13.         public int RowNumber;
  14.         public int DatabaseID;
  15.         public int SetID;
  16.     }
  17.  
  18. 	public static void Main()
  19. 	{
  20. 	       var objY = new List<x>() { 
  21.                 new x{QuestionID=1}, new x{QuestionID=2}, new x{QuestionID=3},
  22.                 new x{QuestionID=4}, new x{QuestionID=5}, new x{QuestionID=6},
  23.                 new x{QuestionID=7}, new x{QuestionID=8}, new x{QuestionID=9},
  24.                 new x{QuestionID=1}, new x{QuestionID=2}, new x{QuestionID=3},
  25.                 new x{QuestionID=4}, new x{QuestionID=5}, new x{QuestionID=6},
  26.                 new x{QuestionID=7}, new x{QuestionID=8}, new x{QuestionID=9},
  27.                 new x{QuestionID=1}, new x{QuestionID=2}, new x{QuestionID=3},
  28.                 new x{QuestionID=4}, new x{QuestionID=5}, new x{QuestionID=6},
  29.                 new x{QuestionID=7}, new x{QuestionID=8}, new x{QuestionID=9}
  30.            };
  31.             var objX = objY.Select((x, i) => new { ObjX = x, Index = i })
  32.                 .GroupBy(x => x.Index / 5)
  33.                 .Select((g, i) =>
  34.                     g.Select(x => new objx
  35.                     {
  36.                         RowNumber = x.Index + 1,
  37.                         DatabaseID = x.ObjX.QuestionID,
  38.                         SetID = i + 1
  39.                     }).ToList())
  40.                 .ToList();
  41.  
  42.             foreach(var xList in objX)
  43.                 Console.WriteLine("Count: " + xList.Count);
  44. 	}
  45. }
Success #stdin #stdout 0.06s 35144KB
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stdin
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Standard input is empty
stdout
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Count: 5
Count: 5
Count: 5
Count: 5
Count: 5
Count: 2
https://ideone.com/RZGDVB
language:
C# (gmcs 5.20.1)
created:
12 years ago
visibility:
public

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