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50 lines
2.2 KiB
C#
50 lines
2.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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public class Students
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{
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public string StuName { get; set; }
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public int GrPoint { get; set; }
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public int StuId { get; set; }
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public List<Students> GtStuRec()
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{
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List<Students> stulist = new List<Students>();
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stulist.Add(new Students { StuId = 1, StuName = " Joseph ", GrPoint = 800 });
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stulist.Add(new Students { StuId = 2, StuName = "Alex", GrPoint = 458 });
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stulist.Add(new Students { StuId = 3, StuName = "Harris", GrPoint = 900 });
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stulist.Add(new Students { StuId = 4, StuName = "Taylor", GrPoint = 900 });
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stulist.Add(new Students { StuId = 5, StuName = "Smith", GrPoint = 458 });
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stulist.Add(new Students { StuId = 6, StuName = "Natasa", GrPoint = 700 });
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stulist.Add(new Students { StuId = 7, StuName = "David", GrPoint = 750 });
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stulist.Add(new Students { StuId = 8, StuName = "Harry", GrPoint = 700 });
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stulist.Add(new Students { StuId = 9, StuName = "Nicolash", GrPoint = 597 });
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stulist.Add(new Students { StuId = 10, StuName = "Jenny", GrPoint = 750 });
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return stulist;
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}
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}
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class LinqExercise14
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{
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static void Main(string[] args)
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{
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Students e= new Students();
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Console.Write("\nLINQ : Find the nth Maximum Grade Point achieved by the students from the list of student : ");
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Console.Write("\n------------------------------------------------------------------------------------------\n");
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Console.Write("Which maximum grade point(1st, 2nd, 3rd, ...) you want to find : ");
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int grPointRank = Convert.ToInt32(Console.ReadLine());
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Console.Write("\n");
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var stulist = e.GtStuRec();
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var students = (from stuMast in stulist
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group stuMast by stuMast.GrPoint into g
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orderby g.Key descending
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select new
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{
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StuRecord = g.ToList()
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}).ToList();
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students[grPointRank - 1].StuRecord
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.ForEach(i => Console.WriteLine(" Id : {0}, Name : {1}, achieved Grade Point : {2}",i.StuId, i.StuName, i.GrPoint));
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Console.ReadKey();
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}
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} |