By GokiSoft.com|
09:40 01/11/2021|
C Sharp
[Examination] Thi thực hành môn C# - C Sharp
Thời Gian Thi: 14h40 - 15h40
Muộn 1 phút trừ 0.5 điểm
Tags:
Phản hồi từ học viên
5
(Dựa trên đánh giá ngày hôm nay)
![Đỗ tuấn anh [T1907A]](https://www.gravatar.com/avatar/98f1e29922dc48dd5d41b8f6cbce24e0.jpg?s=80&d=mm&r=g){kind=avatar}
Đỗ tuấn anh
2020-06-05 08:49:55
using System;
using System.Collections.Generic;
using HashTable.ContactManager;
namespace HashTable
{
class MainClass
{
public static void Main(string[] args)
{
List<Manager> managers = new List<Manager>();
int choose;
do
{
ShowMenu();
choose = int.Parse(Console.ReadLine());
switch(choose)
{
case 1:
InputManager(managers);
break;
case 2:
break;
case 3:
DisplayManager(managers);
break;
case 4:
Console.WriteLine("Thoat chuong trinh");
break;
default:
Console.WriteLine("Nhap sai cu phap !");
break;
}
} while (choose != 4);
}
static void InputManager(List<Manager> managers)
{
Manager manager = new Manager();
manager.Input();
managers.Add(manager);
}
static void DisplayManager(List<Manager> managers)
{
foreach(Manager manager in managers)
{
manager.Display();
}
}
static void ShowMenu()
{
Console.WriteLine("1.Them lien he moi");
Console.WriteLine("2.Tim mot lien he theo ten");
Console.WriteLine("3.Hien thi Danh Ba");
Console.WriteLine("4.Thoat!");
Console.WriteLine("Choose :");
}
}
}using System;
namespace HashTable.ContactManager
{
public class Manager
{
public string FullName { get; set; }
public int Phone { get; set; }
public Manager()
{
}
public void Input()
{
Console.WriteLine("Nhap ten cua khach hang :");
FullName = Console.ReadLine();
Console.WriteLine("Nhap So dien thoai khach hang !");
Phone = Convert.ToInt32(Console.ReadLine());
}
public void Display()
{
Console.WriteLine("Ten : {0},Phone : {1}",FullName,Phone);
}
}
}
![Đường Thanh Bình [T1907A]](https://www.gravatar.com/avatar/c2ef7c316acb82467912bf5677b52a8b.jpg?s=80&d=mm&r=g){kind=avatar}
Đường Thanh Bình
2020-06-05 08:48:49
using Microsoft.VisualBasic.FileIO;
using System;
using System.Collections;
using System.ComponentModel.Design;
using System.Globalization;
using System.Security.Cryptography.X509Certificates;
namespace Contact_Manager
{
class Program
{
static void Main(string[] args)
{
int choose;
do
{
Console.WriteLine("-------------Menu-------------");
Console.WriteLine("------------ContactManager------");
Console.WriteLine("1.Add new contact");
Console.WriteLine("2.Find a contact by name");
Console.WriteLine("3.Display contacts");
Console.WriteLine("4.Exit");
choose = Int32.Parse(Console.ReadLine());
switch (choose)
{
case 1:
Console.WriteLine("Add new contact");
int n = Int32.Parse(Console.ReadLine());
Input(n, hash);
break;
case 2:
Console.WriteLine("Find a contact by name");
Search(hash);
break;
case 3:
Console.WriteLine("Display contacts");
break;
case 4:
Console.WriteLine("Exit");
break;
default:
Console.WriteLine("choose one more");
break;
}
} while (choose != 4);
Console.ReadLine();
}
}
private static void input(int n,Hashtable hashtable)
{
for(int i = 0; i< n; i++)
{
ContactManager contactManager = new ContactManager();
contactManager.input();
hashtable.Add(contactManager.fullname, contactManager.phoneNumber);
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
namespace Contact_Manager
{
class ContactManager
{
public string fullname { get; set; }
public Int32 phoneNumber { get; set; }
public ContactManager()
{
}
public void input()
{
Console.WriteLine("fullname:");
fullname = Console.ReadLine();
Console.WriteLine("phoneNumber:");
phoneNumber = Int32.Parse(Console.ReadLine());
}
public void display()
{
Console.WriteLine("ContactManager = fullname:{0}, phoneNumber:{1}", fullname, phoneNumber);
}
}
}
Đường Thanh Bình
2020-06-05 08:48:46
using Microsoft.VisualBasic.FileIO;
using System;
using System.Collections;
using System.ComponentModel.Design;
using System.Globalization;
using System.Security.Cryptography.X509Certificates;
namespace Contact_Manager
{
class Program
{
static void Main(string[] args)
{
int choose;
do
{
Console.WriteLine("-------------Menu-------------");
Console.WriteLine("------------ContactManager------");
Console.WriteLine("1.Add new contact");
Console.WriteLine("2.Find a contact by name");
Console.WriteLine("3.Display contacts");
Console.WriteLine("4.Exit");
choose = Int32.Parse(Console.ReadLine());
switch (choose)
{
case 1:
Console.WriteLine("Add new contact");
int n = Int32.Parse(Console.ReadLine());
Input(n, hash);
break;
case 2:
Console.WriteLine("Find a contact by name");
Search(hash);
break;
case 3:
Console.WriteLine("Display contacts");
break;
case 4:
Console.WriteLine("Exit");
break;
default:
Console.WriteLine("choose one more");
break;
}
} while (choose != 4);
Console.ReadLine();
}
}
private static void input(int n,Hashtable hashtable)
{
for(int i = 0; i< n; i++)
{
ContactManager contactManager = new ContactManager();
contactManager.input();
hashtable.Add(contactManager.fullname, contactManager.phoneNumber);
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
namespace Contact_Manager
{
class ContactManager
{
public string fullname { get; set; }
public Int32 phoneNumber { get; set; }
public ContactManager()
{
}
public void input()
{
Console.WriteLine("fullname:");
fullname = Console.ReadLine();
Console.WriteLine("phoneNumber:");
phoneNumber = Int32.Parse(Console.ReadLine());
}
public void display()
{
Console.WriteLine("ContactManager = fullname:{0}, phoneNumber:{1}", fullname, phoneNumber);
}
}
}
![Nguyễn Văn Quang [T1907A]](https://www.gravatar.com/avatar/e40ab58e34debd5a0dbf4bcfa90bded0.jpg?s=80&d=mm&r=g){kind=avatar}
Nguyễn Văn Quang
2020-06-05 08:48:38
using System;
using System.Collections;
namespace Thuchanh
{
class Program
{
static public void Main(string[] args)
{
Hashtable ht = new Hashtable();
int choice;
do
{
showMenu();
Console.WriteLine("Moi ban nhap vao choice :");
choice = int.Parse(Console.ReadLine());
switch (choice)
{
case 1:
for (; ;)
{
Console.WriteLine("Nhap vao contact :");
Contact contact = new Contact();
contact.input();
ht.Add(contact.contactname, contact.phonenumber);
Console.WriteLine("Ban co muon nhap tiep khong ? Y/N");
String option;
option = Console.ReadLine();
if (option.Contains("N"))
{
break;
}
}
break;
case 2:
Console.WriteLine("Moi ban nhap vao ten :");
String name;
name = Console.ReadLine();
ICollection key01 = ht.Keys;
foreach (string k in key01)
{
if (k.Equals(name))
{
Console.WriteLine(ht[k]);
}
}
if (!ht.ContainsKey(name))
{
Console.WriteLine("Not found");
}
break;
case 3:
ICollection key = ht.Keys;
foreach (string k in key)
{
Console.WriteLine(k + " :" + ht[k]);
}
break;
case 4:
Console.WriteLine("Exit");
break;
default:
Console.WriteLine("Error");
break;
}
} while (choice != 4);
}
public static void showMenu()
{
Console.WriteLine("1 Add a new Contact");
Console.WriteLine("2. Find a Contact by name ");
Console.WriteLine("3. Display Contact ");
Console.WriteLine("4. Exit ");
}
}
}using System;
using System.Collections.Generic;
using System.Text;
namespace Thuchanh
{
class Contact
{
public string contactname { get; set; }
public string phonenumber { get; set; }
public Contact()
{
}
public void input()
{
Console.WriteLine("Moi ban nhap vao contactName :");
contactname = Console.ReadLine();
Console.WriteLine("Moi ban nhap vao phonenumber :");
phonenumber = Console.ReadLine();
}
public void display()
{
Console.WriteLine("Contactname : {0} , phonenumber : {1}", contactname, phonenumber);
}
}
}
![lê văn phương [T1907A]](https://www.gravatar.com/avatar/a07ddfb51e1e7189c76b4e42dbdbcddc.jpg?s=80&d=mm&r=g){kind=avatar}
lê văn phương
2020-06-05 08:48:31
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Collections;
namespace Customer
{
class Program
{
static void Main(string[] args)
{
Hashtable hash = new Hashtable();
Console.OutputEncoding = Encoding.UTF8;
//---
int choose;
do
{
Show();
choose = Int32.Parse(Console.ReadLine());
switch (choose)
{
case 1:
Console.WriteLine("Thêm liên hệ mới");
int n = Int32.Parse(Console.ReadLine());
Input(n, hash);
break;
case 2:
search(hash);
break;
case 3:
Output(hash);
break;
case 4:
Console.WriteLine("thoat thanh cong !!");
break;
default:
Console.WriteLine("loi!!");
break;
}
} while (choose !=4);
//---
Console.ReadKey();
}
private static void Show()
{
Console.WriteLine("1: Thêm liên hệ mới");
Console.WriteLine("2. Tìm một liên hệ theo tên");
Console.WriteLine("3: Hiển thị danh bạ");
Console.WriteLine("4: Thoát");
}
private static void Input(int n,Hashtable hast)
{
for(int i = 0; i<n;i++)
{
Customer customer = new Customer();
customer.Input();
hast.Add(customer.Name, customer.NumberPhone);
}
}
private static void Output(Hashtable hash)
{
ICollection key = hash.Keys;
foreach(string k in key)
{
Console.WriteLine(k + ":" + hash[k]);
}
}
private static void search(Hashtable hash)
{
ICollection key = hash.Keys;
Console.WriteLine("Chon search :");
string name = Console.ReadLine();
foreach (string k in key)
{
if (name.Equals(k))
{
Console.WriteLine(k + ":" + hash[k]);
}
else
{
Console.WriteLine("khong tim thay:");
}
}
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Customer
{
class Customer
{
public string Name { get; set; }
public int NumberPhone { get; set; }
public Customer() { }
public void Input()
{
Console.OutputEncoding = Encoding.UTF8;
Console.WriteLine("Nhập tên: ");
Name = Console.ReadLine();
Console.WriteLine("Nhập số điện thoại: ");
NumberPhone = Convert.ToInt32(Console.ReadLine());
}
public void Output()
{
Console.WriteLine("Tên người dùng : {0}, Số điện thoại : {1}", Name, NumberPhone);
}
}
}
![nguyễn văn huy [T1907A]](https://www.gravatar.com/avatar/b107d14d7d43c142b68c12c377262371.jpg?s=80&d=mm&r=g){kind=avatar}
nguyễn văn huy
2020-06-05 08:47:58
using System;
using System.Collections.Generic;
using System.Text;
namespace quanlilienhe
{
class nguoilienhe
{
public string Name { get; set; }
public string Sdt { get; set; }
public nguoilienhe()
{
}
public void input()
{
Console.WriteLine("Moi ban nhap vaoten :");
Name = Console.ReadLine();
Console.WriteLine("Moi ban nhap vao sdt :");
Sdt = Console.ReadLine();
}
public void display()
{
Console.WriteLine("Contactname : {0} , phonenumber : {1}", Name,Sdt);
}
}
}
>>>>>>>>
using quanlilienhe;
using System;
using System.Collections;
namespace Main
{
class Program
{
static void Main(string[] args)
{
Hashtable ht = new Hashtable();
int choice;
do
{
showMenu();
choice = int.Parse(Console.ReadLine());
switch (choice)
{
case 1:
for (; ; )
{
Console.WriteLine("Nhap vao contact :");
nguoilienhe contact = new nguoilienhe();
contact.input();
ht.Add(contact.Name, contact.Sdt);
Console.WriteLine("Ban co muon nhap tiep khong ? Y/N");
String option;
option = Console.ReadLine();
if (option.Contains("N"))
{
break;
}
}
break;
case 2:
Console.WriteLine("Moi ban nhap vao ten :");
String name;
name = Console.ReadLine();
ICollection key01 = ht.Keys;
foreach (string k in key01)
{
if (k.Equals(name))
{
Console.WriteLine(ht[k]);
}
}
if (!ht.ContainsKey(name))
{
Console.WriteLine("Laijjjj");
}
break;
case 3:
ICollection key = ht.Keys;
foreach (string k in key)
{
Console.WriteLine(k + " :" + ht[k]);
}
break;
case 4:
Console.WriteLine("Exit");
break;
default:
Console.WriteLine("Error");
break;
}
} while (choice != 4);
}
static void showMenu()
{
Console.WriteLine("1 nhap nguoi lien he");
Console.WriteLine("2. tim theo ten");
Console.WriteLine("3. hien thi ");
Console.WriteLine("4. thoat ");
}
}
}
![Thành Lâm [T1907A]](https://www.gravatar.com/avatar/fb1b94f4caad069ee6e3f42ea2221b49.jpg?s=80&d=mm&r=g){kind=avatar}
Thành Lâm
2020-06-05 08:47:30
using System;
using System.Collections;
using System.Text;
namespace Ungdung
{
class Program
{
static void Main(string[] args)
{
Console.OutputEncoding = Encoding.UTF8;
Console.WriteLine("============================Ứng Dụng==========================\n\n");
string click = null;
int numa;
do
{
Console.ForegroundColor = ConsoleColor.Cyan;
Console.WriteLine("1.Thêm liên hệ mới.");
Console.WriteLine("2.Tìm một lên hệ theo tên:");
Console.WriteLine("3.Hiển thị danh bạ:");
Console.WriteLine("4.Thoát");
numa = Int32.Parse(Console.ReadLine());
switch (numa)
{
case 1:
Contact();
break;
case 2:
break;
case 3:
Show();
break;
case 4:
return;
default:
break;
}
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("\nBạn có muốn tiếp tục ? y/n");
click = Console.ReadLine();
} while (click.Equals("y") == true);
Console.ReadKey();
Hashtable h = new Hashtable();
h.Add("Lâm","0373485924");
h.Add("Hưng", "0961804222");
h.Add("Minh", "0374123012");
foreach(DictionaryEntry element in h)
{
String key = (string)element.Key;
string value = (string)element.Value;
Console.WriteLine("{0}\t {1}", key, value);
}
}
static void Contact()
{
AddContact addcontact = new AddContact();
addcontact.input();
}
static void Show()
{
AddContact showname = new AddContact();
Console.WriteLine("Tên Liên lạc \t Số điện thoại");
showname.display();
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
namespace Ungdung
{
class AddContact
{
public string Contactname { get; set; }
private string _phonenum;
public string Phonenum {
get
{
return _phonenum;
}
set
{
if(value.Length <=10 && value.Length >= 9)
{
this._phonenum = value;
}
}
}
public void input()
{
Console.ForegroundColor = ConsoleColor.White;
Console.Write("Nhập tên liên lạc: ");
Contactname = Console.ReadLine();
Console.Write("\nNhập số điện thoại: ");
Phonenum = Console.ReadLine();
}
public void display()
{
Console.WriteLine(" {0} \t\t {1}", Contactname, Phonenum);
}
}
}
![Minh Nghia [T1907A]](https://www.gravatar.com/avatar/ecca255d725eed36a872105205af1b8e.jpg?s=80&d=mm&r=g){kind=avatar}
Minh Nghia
2020-06-05 08:46:58
using System;
namespace Examination
{
class ContactManager
{
static void Main(string[] args)
{
int choose;
HashTable hash = new HashTable();
do
{
ShowMenu();
choose = int.Parse(Console.ReadLine());
switch (choose)
{
case 1:
hash.Add(hash);
break;
case 2:
hash.Search(hash);
break;
case 3:
hash.Display(hash);
break;
case 4:
Console.WriteLine("Exit");
break;
default:
Console.WriteLine("Retype");
break;
}
} while (choose != 4);
}
static void ShowMenu()
{
Console.WriteLine("1. Add new contact");
Console.WriteLine("2. Find a contact by name");
Console.WriteLine("3. Display contacts");
Console.WriteLine("4. Exit");
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
namespace Examination
{
class Contact
{
public string Name { get; set; }
public string PhoneNumber { get; set; }
public Contact() { }
public Contact(string Name ,string PhoneNumber)
{
this.Name = Name;
this.PhoneNumber = PhoneNumber;
}
}
}
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
namespace Examination
{
class HashTable
{
Contact contact = new Contact();
public HashTable Add(HashTable hashTable)
{
Console.WriteLine("Enter name :");
contact.Name = Console.ReadLine();
Console.WriteLine("Enter Phone Number:");
contact.PhoneNumber = Console.ReadLine();
return hashTable;
}
public void Display(HashTable hashTable)
{
ICollection key = hashTable.Keys;
Console.WriteLine("\tName\t\tPhoneNumber");
foreach(string s in key)
{
Console.WriteLine("\t" + s + "\t\t\t" + hashTable[s]);
}
}
public HashTable Search(HashTable hashTable)
{
Console.WriteLine("Enter name :");
string name = Console.ReadLine();
Console.WriteLine("\n\tName\t\tPhoneNumber");
int flag = 0;
ICollection key = hashTable.Keys;
foreach(string s in key)
{
if (s.Equals(name))
{
Console.WriteLine("\t" + s + "\t\t\t" + hashTable[s]);
flag = 1;
}
}
if(flag == 0)
{
Console.WriteLine("Name not found");
}
return hashTable;
}
}
}
![Lê Minh Bắc [T1907A]](https://www.gravatar.com/avatar/22abcac77d8ca5e01144e240abb48d22.jpg?s=80&d=mm&r=g){kind=avatar}
Lê Minh Bắc
2020-06-05 08:46:53
using System;
using System.Collections.Generic;
using System.Linq;
using System.Security.Policy;
using System.Text;
using System.Threading.Tasks;
using System.Collections;
namespace ContactManager
{
class Program
{
public static int chosse;
static void Main(string[] args)
{
Hashtable list = new Hashtable();
do
{
menu();
checkChosse();
switch (chosse)
{
case 1:
case1(list);
break;
case 2:
case2(list);
break;
case 3:
Console.WriteLine("\tAddres Book");
Console.WriteLine("Contact Name\tPhone number");
foreach (DictionaryEntry item in list)
{
Console.WriteLine(item.Key + "\t\t" + item.Value);
}
break;
case 4:
Console.WriteLine("EXIT !!");
break;
default:
Console.WriteLine("Nhap sai ---> Nhap lai !!");
break;
}
} while (chosse != 4);
}
static void menu()
{
Console.WriteLine("1.Add new contact");
Console.WriteLine("2.Find a contact by name");
Console.WriteLine("3.Display contacts");
Console.WriteLine("4.Exit");
}
static void case1(Hashtable list)
{
for (; ; )
{
Contact con = new Contact();
con.input();
list.Add(con.Name,con.PhoneNumber);
Console.WriteLine("nhap them contact : (Y/N)");
string option = Console.ReadLine();
if (option.ToUpper().Equals("N"))
{
break;
}
}
}
static void case2(Hashtable list)
{
Console.WriteLine("Nhap lien he can tim: ");
string str = Console.ReadLine();
bool isCheck = false;
foreach (DictionaryEntry item in list)
{
if (item.Key.Equals(str))
{
Console.WriteLine("Contact Name\tPhone number");
Console.WriteLine(item.Key +"\t\t"+ item.Value);
isCheck = true;
break;
}
}
if (!isCheck)
{
Console.WriteLine("Lien he khong ton tai!!");
}
}
private static void checkChosse()
{
bool isName = true;
while (isName)
{
string str;
Console.Write("Chosse: ");
str = Console.ReadLine();
if (String.IsNullOrEmpty(str))
{
Console.WriteLine("Lua chon khong duoc de trong!!!");
}
else
{
if (check(str))
{
chosse = int.Parse(str);
if (chosse > 0)
{
isName = false;
}
else
{
Console.WriteLine("Lua chon phai > 0");
}
}
else
{
Console.WriteLine("Lua chon khong duoc nhap chu!! ");
}
}
}
}
static bool check(string s)
{
bool checkk = false;
foreach (char item in s)
{
if (item >= 48 && item <= 57)
{
checkk = true;
}
}
return checkk;
}
}
}
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ContactManager
{
class Contact
{
public string Name { get; set; }
public string PhoneNumber { get; set; }
public Contact()
{
}
public Contact(string name, string phoneNumber)
{
this.Name = name;
this.PhoneNumber = phoneNumber;
}
public void input()
{
checkName();
checkPhoneNumber();
}
private void checkName()
{
bool isName = true;
while (isName)
{
Console.Write("Nhap Ten: ");
Name = Console.ReadLine();
if (String.IsNullOrEmpty(Name))
{
Console.WriteLine("Ten khong duoc de trong!!!");
}
else
{
isName = false;
}
}
}
private void checkPhoneNumber()
{
bool isName = true;
while (isName)
{
Console.Write("Nhap SDT: ");
PhoneNumber = Console.ReadLine();
if (String.IsNullOrEmpty(PhoneNumber))
{
Console.WriteLine("SDT khong duoc de trong!!!");
}
else
{
if (checkInt(PhoneNumber))
{
isName = false;
}
else
{
Console.WriteLine("SDT khong duoc nhap chu!!!");
}
}
}
}
bool checkInt(string s)
{
bool check = true;
foreach (char item in s)
{
if (item < 48 || item > 57)
{
check = false;
break;
}
}
return check;
}
public void display()
{
Console.WriteLine(Name+"\t\t"+PhoneNumber);
}
}
}
![Phí Văn Long [T1907A]](https://www.gravatar.com/avatar/5db166b7b74443c5c221e4c0068d6da9.jpg?s=80&d=mm&r=g){kind=avatar}
Phí Văn Long
2020-06-05 08:43:58
using System;
using System.Collections;
namespace ContactManager
{
class Program
{
static void Main(string[] args)
{
int choose;
do
{
ShowMenu();
choose = int.Parse(Console.ReadLine());
switch (choose)
{
case 1:
new ContactManage().AddContact(hashtable);
break;
case 2:
new ContactManage().SearchPhoneNumber(hashtable);
break;
case 3:
new ContactManage().Display(hashtable);
break;
case 4:
Console.WriteLine("Outt");
break;
default:
Console.WriteLine("Error . Number true is 1-4");
break;
}
} while (choose != 5);
}
static void ShowMenu()
{
Console.WriteLine("1. Add new Contact");
Console.WriteLine("2. Find a Contact by name");
Console.WriteLine("3. Display Contact");
Console.WriteLine("4. Exit");
Console.WriteLine("Choose : ");
}
}
}
using System;
using System.Collections.Generic;
using System.Text;
namespace ContactManager
{
class Contact
{
public string ContactName { get; set; }
public string ContactPhoneNumber { get; set; }
public Contact()
{
}
public Contact(string contactName,string PhoneNumber)
{
this.ContactName = contactName;
this.ContactPhoneNumber = PhoneNumber;
}
}
}
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
namespace ContactManager
{
class ContactManage
{
public ContactManage AddContact(ContactManage hashtable)
{
Contact contact = new Contact();
Console.WriteLine("ENter Name Contact : ");
contact.ContactName = Console.ReadLine();
Console.WriteLine("Enter Phone Number COntact");
contact.ContactPhoneNumber = Console.ReadLine();
return hashtable;
}
public ContactManage SearchPhoneNumber(ContactManage hashtable)
{
Console.WriteLine("Enter the Search Phone Number : ");
string Phone = Console.ReadLine();
Console.WriteLine(" Contact Name \t Phone ");
int flag = 0;
ICollection key = hashtable.Keys;
foreach (string check in key)
{
if (check.Equals(Phone))
{
Console.WriteLine("s + hash[s]");
flag = 1;
}
}
if (flag = 0)
{
Console.WriteLine("Error . Name not found !!");
}
return hashtable;
}
public void Display(ContactManage hashtable)
{
ICollection key = hashtable.Keys;
Console.WriteLine("\tContactName\t\tPhone");
foreach (string item in key)
{
Console.WriteLine("\t" + item + "\t\t\t" + hashtable[item]);
}
}
internal class Display
{
private object hashtable;
public Display(object hashtable)
{
this.hashtable = hashtable;
}
}
}
}
