Sorting a Generic List of Object in C#

[Student.cs]

using System;

using System.Collections.Generic;

using System.Text;

namespace KeithRull.LetsSortThat

{

   class Student

   {

      private string _name;

      private double _grade;

      public string Name

      {

         get { return _name; }

         set { _name = value; }

      }

      public double Grade

      {

         get { return _grade; }

         set { _grade = value; }

      }

      public Student(string name, double grade)

      {

         this.Name = name;

         this.Grade = grade;

      }

   }

}

[StudentGradeAndNameComparer]

using System;

using System.Collections.Generic;

using System.Text;

namespace KeithRull.LetsSortThat

{

   class StudentGradeAndNameComparer : IComparer<Student>

   {

      #region IComparer<Student> Members

      public int Compare(Student student1, Student student2)

      {

         int returnValue = 1;

         if (student1 != null && student2 == null)

         {

            returnValue = 0;

         }

         else if (student1 == null && student2 != null)

         {

            returnValue = 0;

         }

         else if (student1 != null && student2 != null)

         {

            if (student1.Grade.Equals(student2.Grade))

            {

               returnValue = student1.Name.CompareTo(student2.Name);

            }

            else

            {

               returnValue = student2.Grade.CompareTo(student1.Grade);

            }

         }

         return returnValue;

      }

 

      #endregion

   }

}

[Modified Program.cs v2]

using System;

using System.Collections.Generic;

using System.Text;

namespace KeithRull.LetsSortThat

{

   class Program

   {

      static void Main(string[] args)

      {

         Students students = new Students();

         //add the student to the list

         students.Add(new Student("Tom", 83));

         students.Add(new Student("Joe", 86.4));

         students.Add(new Student("Rudy", 85));

         students.Add(new Student("Chris", 87.2));

         students.Add(new Student("Keith", 85.5));

         students.Add(new Student("Pepe", 75.1));

         students.Add(new Student("Juan", 88.8));

         students.Add(new Student("Pedro", 75.1));

         students.Add(new Student("Pablo", 75.1));

         students.Add(new Student("Jose", 79.3));

         students.Add(new Student("Tommy", 88.9));

         //implement our custom comparer for grades and names

         students.Sort(new StudentGradeAndNameComparer());

         students.Print();

         Console.ReadLine();

      }

   }

}