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  1. using System;
  2. using System.Data;
  3.  
  4. namespace bai1
  5. {
  6.     class NhanVien
  7.     {
  8.         public string manv;
  9.         public string tennv;
  10.         public int gioitinh;
  11.         public DateTime ngaysinh;
  12.         public NhanVien Next;
  13.         public double luong;
  14.  
  15.         public NhanVien()
  16.         {
  17.             manv = tennv = "";
  18.             luong = 0;
  19.             gioitinh = 0;
  20.             ngaysinh = DateTime.Parse("1/1/0001");
  21.             Next = null;
  22.         }
  23.  
  24.  
  25.     }
  26.  
  27.     class Program
  28.     {
  29.         public static void NhapDS(ref NhanVien nv)
  30.         {
  31.  
  32.             int giua;
  33.             bool ktgiua;
  34.             string strgiua;
  35.             do
  36.             {
  37.                 Console.WriteLine("\nNhap so de bat dau nhap danh sach (Nhap ki tu khac de thoat): ");
  38.                 strgiua = Console.ReadLine();
  39.                 ktgiua = int.TryParse(strgiua, out giua);
  40.                 if (ktgiua == true)
  41.                 {
  42.                     NhanVien nv2 = new NhanVien();
  43.                     Console.Write("Nhap ma nhan vien (khong qua 50 ki tu): ");
  44.                     nv2.manv = Console.ReadLine();
  45.  
  46.                     Console.Write("Nhap ten nhan vien: ");
  47.                     nv2.tennv = Console.ReadLine();
  48.  
  49.                     Console.Write("Nhap gioi tinh (0: nu, 1: nam): ");
  50.                     nv2.gioitinh = int.Parse(Console.ReadLine());
  51.                     while (nv2.gioitinh != 0 && nv2.gioitinh != 1)
  52.                     {
  53.                         Console.Write("Nhap lai gioi tinh: ");
  54.                         nv2.gioitinh = int.Parse(Console.ReadLine());
  55.                     }
  56.                     Console.Write("Nhap ngay sinh: ");
  57.                     nv2.ngaysinh = DateTime.Parse(Console.ReadLine());
  58.                     Console.Write("Nhap luong: ");
  59.                     nv2.luong = double.Parse(Console.ReadLine());
  60.  
  61.  
  62.                     nv2.Next = null;
  63.                     if (nv == null) nv = nv2;
  64.                     else
  65.                     {
  66.                         NhanVien nv3 = nv;
  67.                         while (nv3.Next != null) nv3 = nv3.Next;
  68.                         nv3.Next = nv2;
  69.                     }
  70.  
  71.                 }
  72.             }
  73.             while (ktgiua == true);
  74.  
  75.         }
  76.  
  77.  
  78.         public static DataTable GetTable(NhanVien nv)
  79.         {
  80.             DataTable table = new DataTable();
  81.             if (nv == null)
  82.             {
  83.                 Console.Write("  Danh sach rong  ");
  84.             }
  85.             else
  86.             {
  87.  
  88.                 NhanVien nv3 = nv;
  89.                 if (nv3 != null)
  90.                 {
  91.                     table.Columns.Add("MaNV", typeof(string));
  92.                     table.Columns.Add("Ten nhan vien ", typeof(string));
  93.                     table.Columns.Add("Gioi tinh", typeof(int));
  94.                     table.Columns.Add("Ngay sinh", typeof(DateTime));
  95.  
  96.                     table.Columns.Add("Luong", typeof(double));
  97.                 }
  98.                 while (nv3 != null)
  99.                 {
  100.                     table.Rows.Add(nv3.manv, nv3.tennv, nv3.gioitinh,nv3.ngaysinh,nv3.luong);
  101.                     nv3 = nv3.Next;
  102.                 }
  103.  
  104.             }
  105.             return table;
  106.         }
  107.         public static void PrintTable(DataTable table)
  108.         {
  109.             foreach (DataColumn column in table.Columns)
  110.             {
  111.                 Console.Write($"{column.ColumnName,30}");
  112.             }
  113.             Console.WriteLine();
  114.             int number_cols = table.Columns.Count;
  115.             foreach (DataRow row in table.Rows)
  116.             {
  117.                 for (int i = 0; i < number_cols; i++)
  118.                 {
  119.                     Console.Write($"{row[i],30}");
  120.                 }
  121.                 Console.WriteLine();
  122.             }
  123.         }
  124.  
  125.  
  126.  
  127.         public static DataTable  RemoveStaffWithCode(NhanVien nv)
  128.         {
  129.             DataTable table4 = new DataTable();
  130.             if (nv == null)
  131.             {
  132.                 Console.WriteLine("Danh sach rong - khong co gi de xoa");
  133.             }
  134.             else
  135.             {
  136.                 NhanVien nv3 = nv;
  137.  
  138.  
  139.                 if (nv3 != null)
  140.                 {
  141.                     table4.Columns.Add("MaNV", typeof(string));
  142.                     table4.Columns.Add("Ten nhan vien ", typeof(string));
  143.                     table4.Columns.Add("Gioi tinh", typeof(int));
  144.                     table4.Columns.Add("Ngay sinh", typeof(DateTime));
  145.  
  146.                     table4.Columns.Add("Luong", typeof(double));
  147.                 }
  148.  
  149.                 Console.Write("Nhap vao ma nhan vien bat ki: ");
  150.                 string code = Console.ReadLine();
  151.  
  152.                 while (nv3 != null)
  153.                 {
  154.  
  155.                     if (nv3.manv == code)
  156.                     {
  157.                         if (nv3 == nv)
  158.                         {
  159.  
  160.                             nv = nv.Next;
  161.  
  162.  
  163.                         }
  164.                         else
  165.                         {
  166.                             NhanVien node = nv;
  167.  
  168.                             while (node.Next != nv3)
  169.  
  170.                             node = node.Next;
  171.  
  172.                             node.Next = nv3.Next;
  173.                         }
  174.  
  175.                         break;
  176.  
  177.                     }    
  178.                     else { nv3 = nv3.Next; }
  179.  
  180.  
  181.  
  182.  
  183.                 }
  184.  
  185.  
  186.  
  187.             }
  188.  
  189.             return table4;
  190.  
  191.             }
  192.         public static int CountStaffWithSalariesGreaterThan15Million(NhanVien nv)
  193.         {
  194.             int count = 0;
  195.             if (nv == null)
  196.             {
  197.                 Console.Write("  Danh sach rong - khong co gi de thong ke");
  198.             }
  199.             else
  200.             {
  201.                 NhanVien nv3 = nv;
  202.  
  203.                 while (nv3 != null)
  204.                 {
  205.  
  206.                     if (nv3.luong > 15000000)
  207.                     {
  208.                         count++;
  209.  
  210.                     }
  211.  
  212.  
  213.                     nv3 = nv3.Next;
  214.  
  215.                 }
  216.  
  217.  
  218.             }
  219.             return count;
  220.         }
  221.         public static void ListStaffsWhoseBirthYearIsLessThanOrEqualTo1990(NhanVien nv)
  222.         {
  223.  
  224.             if (nv == null)
  225.             {
  226.                 Console.Write("  Danh sach rong  ");
  227.             }
  228.             else
  229.  
  230.             {
  231.                 NhanVien nv3 = nv;
  232.  
  233.  
  234.                 while (nv3 != null)
  235.                 {
  236.  
  237.                     if (nv3.ngaysinh.Year <= 1990)
  238.                     {
  239.  
  240.                         Console.Write(nv3.tennv + "\t");
  241.  
  242.                         nv3 = nv3.Next;
  243.                     }
  244.                     else
  245.                     {
  246.                         nv3 = nv3.Next;
  247.                     }
  248.                 }
  249.  
  250.  
  251.  
  252.             }
  253.  
  254.         }
  255.  
  256.  
  257.  
  258.  
  259.         static void Main(string[] args)
  260.         {
  261.             NhanVien nv = null;
  262.             Console.WriteLine("********************************MAIN MENU*****************************"); //tạo menu chính
  263.             Console.WriteLine("****CAC THAO TAC LAM VIEC VOI DANH SACH*****");
  264.             Console.WriteLine("1. NHAP DANH SACH");
  265.             Console.WriteLine("2. TEN CAC NHAN VIEN CO NAM SINH BE HON HOAC BANG 1990");
  266.             Console.WriteLine("3. SO LUONG NHAN VIEN CO LUONG LON HON 15 TRIEU DONG");
  267.             Console.WriteLine("4. XOA NHAN VIEN");
  268.             Console.WriteLine("5. SAP XEP CAC NHAN VIEN GIAM DAN THEO NAM SINH");
  269.  
  270.             Console.WriteLine("6. THOAT");
  271.             Console.WriteLine();
  272.             int chon ;
  273.             do
  274.             {
  275.  
  276.                 Console.Write("\n NHAP LUA  CHON CUA BAN VAO: ");
  277.                 chon = int.Parse(Console.ReadLine());
  278.                 switch (chon)
  279.                 {
  280.                     case 1:
  281.  
  282.  
  283.  
  284.                         NhapDS(ref nv);
  285.                         break;
  286.                     case 2:
  287.                         Console.WriteLine("Ten cac nhan vien co nam sinh nho hon hoac bang 1990 la:");
  288.                          ListStaffsWhoseBirthYearIsLessThanOrEqualTo1990(nv);
  289.                         Console.WriteLine();
  290.                         break;
  291.                     case 3:
  292.                         Console.WriteLine("So luong nhan vien co luog lon hon 15 trieu dong la: {0}", CountStaffWithSalariesGreaterThan15Million(nv));
  293.                         break;
  294.                     case 4:
  295.  
  296.  
  297.                       DataTable d =  RemoveStaffWithCode(nv);
  298.                         PrintTable(d);
  299.                         break;
  300.                     case 5: break;
  301.                     case 6: break;
  302.  
  303.  
  304.                     default:
  305.                         Console.WriteLine("\n vui long nhap lai");
  306.                         break;
  307.                 }
  308.                 Console.WriteLine();
  309.             }
  310.             while (chon != 6);
  311.  
  312.             Console.ReadKey();
  313.         }
  314.     }
  315. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cs(2,14): error CS0234: The type or namespace name `Data' does not exist in the namespace `System'. Are you missing `System.Data' assembly reference?
prog.cs(78,23): error CS0246: The type or namespace name `DataTable' could not be found. Are you missing an assembly reference?
prog.cs(107,39): error CS0246: The type or namespace name `DataTable' could not be found. Are you missing an assembly reference?
prog.cs(127,23): error CS0246: The type or namespace name `DataTable' could not be found. Are you missing an assembly reference?
Compilation failed: 4 error(s), 0 warnings
stdout
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Standard output is empty
https://ideone.com/qsyf2U
language:
C# (gmcs 5.20.1)
created:
2 years ago
visibility:
public

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