控制台c#下查询修改插入学生信息

该资源是在C#语言下，控制台程序下，进行学生信息录入，包括学号、姓名、第一门成绩、第二门成绩、第三门成绩、，可以查询、删除、修改、计算三门平均成绩等功能

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

namespace MyProject4
{
    class Program
    {
        public static Student[] stu;//定义Student类型的数组，用来存放数据
        public static int count = 0;  //记录存入数量
        static void Main（string[] args）
        {
            //定义一个学生数组类 ，保存50个数组
            stu = new Student[50];
            int Choose = 0;            
            do
            {
                
                Console.WriteLine（“===============================================================“）;
                Console.WriteLine（“\t0.退出信息\t1.录入信息\t2.浏览信息“）;
                Console.WriteLine（“\t3.信息排序\t4.插入信息\t5.删除信息“）;
                Console.WriteLine（“\t6.查询信息\t7.修改信息\t8.清屏“）;
                Console.WriteLine（“^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^“）;

                Console.Write（“请选择功能：“）;
               
                try
                {
                    Choose = int.Parse（Console.ReadLine（））;
                }
                catch
                {
                    Console.WriteLine（“输入错误！ “）;
                }
                switch （Choose）
                {
                    case 0:
                        try
                        {
                             Environment.Exit（0）;
                        }
                        catch （Exception ex）
                        {
                             Console.WriteLine（ex.Message）;
                        } break;
                    case 1:
                         try
                        {
                             Console.Clear（）;                                                    
                             InsertStudent（stu）;                                                                                           
                        }
                        catch （Exception ex）
                        {
                            Console.WriteLine（ex.Message）;
                        }
                        break;
                    case 2://浏览方法;
                        try
                        {
                            if （count!= 0）
                            {
                                Show（stu）;
                            }
                            else
                                Console.WriteLine（“没有数据可供浏览“）;
                        }
                        catch （Exception ex）
                        {
                            Console.WriteLine（ex.Message）;
                        }
                        break;
                    case 3://信息排序方法;
                        try
                        {
                            if （count != 0）
                            {
                                Console.WriteLine（“1.按学号排序\t2.按平均成绩排序“）;
                                int i = int.Parse （Console.ReadLine（））;
                                if （i == 1）

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件      10752  2011-07-14 10:58  冯永亮\MyProject4\MyProject4\bin\Debug\MyProject4.exe

     文件      32256  2011-07-14 10:58  冯永亮\MyProject4\MyProject4\bin\Debug\MyProject4.pdb

     文件      14328  2011-07-14 10:59  冯永亮\MyProject4\MyProject4\bin\Debug\MyProject4.vshost.exe

     文件        490  2007-07-21 01:33  冯永亮\MyProject4\MyProject4\bin\Debug\MyProject4.vshost.exe.manifest

     文件       2568  2011-07-13 14:41  冯永亮\MyProject4\MyProject4\MyProject4.csproj

     文件        692  2011-07-14 10:59  冯永亮\MyProject4\MyProject4\obj\Debug\MyProject4.csproj.FileListAbsolute.txt

     文件      10752  2011-07-14 10:58  冯永亮\MyProject4\MyProject4\obj\Debug\MyProject4.exe

     文件      32256  2011-07-14 10:58  冯永亮\MyProject4\MyProject4\obj\Debug\MyProject4.pdb

     文件      16856  2011-07-14 10:57  冯永亮\MyProject4\MyProject4\Program.cs

     文件       1360  2011-07-13 14:04  冯永亮\MyProject4\MyProject4\Properties\AssemblyInfo.cs

     文件        858  2011-07-13 15:29  冯永亮\MyProject4\MyProject4\School.cs

     文件       1970  2011-07-14 10:58  冯永亮\MyProject4\MyProject4\Student.cs

     文件        920  2011-07-13 14:04  冯永亮\MyProject4\MyProject4.sln

    ..A..H.     14848  2011-07-14 10:59  冯永亮\MyProject4\MyProject4.suo

     目录          0  2011-07-14 09:04  冯永亮\MyProject4\MyProject4\obj\Debug\TempPE

     目录          0  2011-07-14 09:04  冯永亮\MyProject4\MyProject4\bin\Debug

     目录          0  2011-07-14 09:48  冯永亮\MyProject4\MyProject4\obj\Debug

     目录          0  2011-07-14 09:04  冯永亮\MyProject4\MyProject4\bin

     目录          0  2011-07-14 09:04  冯永亮\MyProject4\MyProject4\obj

     目录          0  2011-07-14 09:04  冯永亮\MyProject4\MyProject4\Properties

     目录          0  2011-07-14 09:48  冯永亮\MyProject4\MyProject4

     目录          0  2011-07-14 09:04  冯永亮\MyProject4

     目录          0  2011-07-14 09:04  冯永亮

----------- ---------  ---------- -----  ----

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