//Main Method
public static void Main(string[] args)
{
Console.WriteLine("Welcome to Address Book"); //Welcome Message
Console.WriteLine("========================");
AddressBook addressBook = new AddressBook();
addressBook.Name = "General"; // Default value of AddressBook
bool checkAddressBook = true; //For initializing the AddressBook
bool checkContactDetails = true;; //For initializing the contact Details in AddressBook
//AddressBook
while (checkAddressBook)
{
Console.WriteLine("Enter\n" +
"1 : To Add a new Address Book\n" +
"2 : To use current address books ( " + addressBook.Name + " )\n" +
"3 : Switch Address Book\n" +
"4. Search by State in AddressBook\n" +
"5. Search by City in AddressBook\n" +
"6. Count by State in AddressBook\n" +
"7. Count by City in AddressBook\n" +
"0 : Exit");;
int userChoice;
try
{
userChoice = Int32.Parse(Console.ReadLine()); //Exception to ensure only Numbers are entered
}
catch (Exception e)
{
Console.WriteLine(e.Message);
userChoice = 0;
}
switch (userChoice)
{
case 1:
checkContactDetails = true;
Console.WriteLine("Add Name of the new Address Book"); //Creating the AddressBook
addressBook.Name = Console.ReadLine();
break;
case 2:
checkContactDetails = true;
break;
case 3:
checkContactDetails = true;
Console.WriteLine("Enter Name of the Address Book you want to switch"); //Switch the AddressBook
addressBook.Name = Console.ReadLine();
break;
case 4:
addressBook.SearchinAddressBooksByState(); //Search for state in Across AddressBook
break;
case 5:
addressBook.SearchinAddressBooksByCity(); //Search for city in Across AddressBook
break;
case 6:
addressBook.DisplayPersonCountByState(); //Display Count by state in Across AddressBook
break;
case 7:
addressBook.DisplayPersonCountByCity(); //Display Count by city in Across AddressBook
break;
case 0:
checkAddressBook = false;
checkContactDetails = false; //Exit the AddressBookSystem
break;
default:
Console.WriteLine("Wrong Option Entered");
break;
}
while (checkContactDetails)
{
int choice;
Console.WriteLine("You are in " + addressBook.Name); //Name of AddressBook
Console.WriteLine("Enter\n" +
"1 : Add Contact Details to " + addressBook.Name + " Address Book\n" +
"2 : Edit a Contact Detail\n" +
"3 : Delete a Contact Detail\n" +
"4: Display the contents of the AddresBook\n" +
"5. Display Content by State\n" +
"6. Display Content by City\n" +
"7. Sort By Name\n" +
"8. Store AddressBook in File\n" +
"9. Implement CSV Implementation\n" +
"0 : Exit");
try
{
choice = Int32.Parse(Console.ReadLine());
}
catch (Exception e)
{
Console.WriteLine(e.Message);
choice = 0;
}
switch (choice)
{
case 1:
addressBook.AddNewContactToAddressBook(); //Function to add Contact in AddressBook
break;
case 2:
addressBook.EditDetailsInAddressBook(); //Function to Edit Details in AddressBook
break;
case 3:
addressBook.DeletetheContactDetail(); //Function to Delete the Contact Details in AddressBook
break;
case 4:
addressBook.DisplayContactsInCurrentAddressBook(); //Display the Contact in the AddressBook
break;
case 5:
addressBook.SearchByState(); //To Search by State in AddressBook
break;
case 6:
addressBook.SearchByCity(); //To Search by City in AddressBook
break;
case 7:
addressBook.SortPersonsByName(); //Sort By Name in AddressBook
break;
case 8:
addressBook.DoIO(); //InputOuput File of AddressBook
break;
case 9:
addressBook.ImplementCSVDataHandling();
break;
case 0:
checkContactDetails = false; //Exist the present AddressBook
break;
default:
Console.WriteLine("Please Enter Correct Option");
break;
}
}
}
}
