Final Assesment?

using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;

 //any file handling or IO needs this namespace
 using System.IO;

 namespace assingment2
 {
     class Program
     {
         static void Main(string[] args)
         {
             int menuChoice = printmenu();
             //sentinel 
             while (menuChoice != -9)
             {
                 switch (menuChoice)
                 {
                     case 1:
                         MenuPart1();

                         break;


                     case 2:

                         MenuPart2();


                         break;
                     case 3:

                         MenuPart3();
                         break;
                     default:

                         break;
                 }


                 menuChoice = printmenu();

             }

             Console.WriteLine("You have Chosen to exit.");
             Console.ReadLine();


         }//end off main method

         private static void MenuPart3()
         {
             //arrays
             int[] noInRange = { 0, 0, 0, 0, 0 };
             StreamReader Reader = File.OpenText(@"h:\scores.txt");
             char[] seperator = { ',' };
             string lineIn = Reader.ReadLine();
             while (lineIn != null)
             {
                 //read into arrays
                 string[] fields = lineIn.Split(seperator);
                 int score = Convert.ToInt32(fields[2]);
                 //process
                 if (score >= 0 && score <= 399)
                 {
                     noInRange[0] = noInRange[0] + 1;
                 }
                 else if (score >= 400 && score <= 599)
                 {
                     noInRange[1] = noInRange[1] + 1;
                 }
                 else if (score >= 600 && score <= 699)
                 {
                     noInRange[2] = noInRange[2] + 1;
                 }
                 else if (score >= 700 && score <= 999)
                 {
                     noInRange[3] = noInRange[3] + 1;
                 }
                 else if (score >= 1000)
                 {
                     noInRange[4] = noInRange[4] + 1;
                 }


                 lineIn = Reader.ReadLine();
             }
             Console.WriteLine("Range\t\tNumber in this range");
             Console.WriteLine("0-399\t\t\t{0}", noInRange[0]);
             Console.WriteLine("400-599\t\t\t{0}", noInRange[1]);
             Console.WriteLine("600-699\t\t\t{0}", noInRange[2]);
             Console.WriteLine("700-999\t\t\t{0}", noInRange[3]);
             Console.WriteLine("1000 and over\t\t{0}", noInRange[4]);

             Reader.Close();
         }//end of menu part 3 method



         private static void MenuPart2()
         {
             Console.WriteLine("Enter the Player Number you wish to search for:");

             string playerSearch = Console.ReadLine();

             //arrays
             StreamReader Reader = File.OpenText(@"h:\scores.txt");
             char[] seperator = { ',' };

             string lineIn = Reader.ReadLine();
             string found = "";
             string score = "";

             while (lineIn != null)
             {
                 string[] fields = lineIn.Split(seperator);
                 //process
                 if (playerSearch == fields[0])
                 {
                     found = fields[1];
                     score = fields[2];
                 }

                 lineIn = Reader.ReadLine();

             }
             if (found == "")
             {
                 Console.WriteLine("This is not a Valid Code.");
                 //not found
             }
             else
             {
                 Console.WriteLine("The details you are looking for are {0} and {1}", found, score);

                 //found

             }

             Reader.Close();

         }//end of menu part 2 method

         private static void MenuPart1()
         {
             //arrays
             StreamReader reader = File.OpenText(@"h:\scores.txt");
             char[] seperator = { ',' };

             string lineIn = reader.ReadLine();

             Console.WriteLine(" \t ===============\n");
             Console.WriteLine("{0,-15}{1,-15}{2,-15}", "PlayerName", "Score", "Citation");
             Console.WriteLine("{0,-15}{1,-15}{2,-15}\n", "=========", "=====", "========");

             int total = 0;
             string topPlayer = "";
             int topscore = -1;

             while (lineIn != null)
             {
                 string[] fields = lineIn.Split(seperator);

                 total += Convert.ToInt32(fields[2]);

                 int score = Convert.ToInt32(fields[2]);
                 //process
                 if (score > topscore)
                 {
                     topPlayer = fields[1];
                     topscore = score;
                 }


                 string citation = "";

                 if (score <= 400)
                 {
                     citation = "Sluggish Snail";
                 }
                 else if (score <= 599)
                 {
                     citation = "Ambling Armadeillo";
                 }
                 else if (score <= 699)
                 {
                     citation = "Bobbing Bobcat";
                 }
                 else
                 {
                     citation = "TurboCharged Cheetah";
                 }

                 Console.WriteLine("{0,-15}{1,-15}{2,-15}\n", fields[1], fields[2], citation);


                 lineIn = reader.ReadLine();
             }

             int average = total / 4;

             Console.WriteLine("The average Score is {0}", average);
             Console.WriteLine("The Top Player is{0}", topPlayer);

             reader.Close();

         } //end of menu part 1 method

         static int printmenu()
         {
             Console.WriteLine("Main Menu.\n\n-Player Report press 1.\n-Search for a Player press 2.");
             Console.WriteLine("-Score analysis press 3.\n-Exit -9.");

             int choice = Convert.ToInt32(Console.ReadLine());

             return choice;
         }//end of menu method

         
         

     }
 }