public static void AddContact()
        {
            int opt = 0;

            do
            {
                Console.WriteLine("\n1. Add a new Person");
                Console.WriteLine("2. Add to a existing Contact Person");
                Console.WriteLine("3. BACK");
                Console.WriteLine();
                opt = ConvertCheck();
                switch (opt)
                {
                case 1:
                    AddAdditionalContactInfo(AddNewPerson());
                    break;

                case 2:
                    PrintPeople();
                    Console.WriteLine("\nEnter Person ID:");
                    int id = ConvertCheck();
                    AddAdditionalContactInfo(DatabaseAction.FindPersonID(id));
                    break;

                case 3:
                    break;
                }
            } while (opt != 3);
        }
        public static void PrintSearch(int i, string s)
        {
            switch (i)
            {
            case 1:
            case 2:
                Console.WriteLine("Loading...\n");
                PrintPeople(DatabaseAction.Search(i, s));
                Console.WriteLine("Press ANY to continue");
                Console.ReadLine();
                break;

            case 3:
            case 4:
            case 5:
            case 6:
            case 7:
            case 8:
                Console.WriteLine("Loading...");
                PrintAddress(DatabaseAction.Search(i, s));
                Console.WriteLine("Press ANY to continue");
                Console.ReadLine();
                break;

            case 9:
            case 10:
            case 11:
            case 12:
                Console.WriteLine("Loading...");
                PrintPhone(DatabaseAction.Search(i, s));
                Console.WriteLine("Press ANY to continue");
                Console.ReadLine();
                break;

            case 13:
                int pid = ConvertCheck(s);
                if (pid != -1)
                {
                    Console.WriteLine("Loading...");
                    PrintPeople(DatabaseAction.FindPersonID(pid));
                    Console.WriteLine("Press ANY to continue");
                    Console.ReadLine();
                }
                break;

            default:
                Console.WriteLine("Invalid Option!");
                break;
            }
        }
        public static void UpdateOption(int up_del)
        {
            int    opt = 0;
            int    id;
            int    updateOpt;
            string updateText;

            do
            {
                if (up_del == 1)
                {
                    Console.WriteLine("\nUpdate:");
                }
                else
                {
                    Console.WriteLine("\nDelete:");
                }
                Console.WriteLine("1. PERSON | 2. PHONE | 3. ADDRESS | 4.BACK");
                switch (opt = ConvertCheck())
                {
                case 1:
                    Console.WriteLine("\nEnter Person ID: ");
                    id = ConvertCheck();
                    Person p = DatabaseAction.FindPersonID(id);
                    if (p != null && up_del == 1)
                    {
                        Console.WriteLine("Select Following Fields:");
                        updateOpt  = PersonOpt();
                        updateText = Add("Text");
                        Console.WriteLine(DatabaseAction.Edit(ref updateOpt, p, updateText));
                    }
                    else if (p != null && up_del == 2)
                    {
                        Console.WriteLine(DatabaseAction.Del(p));
                    }
                    else if (p == null)
                    {
                        Console.WriteLine("No Records Found!");
                    }
                    break;

                case 2:
                    Console.WriteLine("\nEnter Phone ID: ");
                    id = ConvertCheck();
                    Person_phone pp = DatabaseAction.FindPhoneID(id);
                    if (pp != null && up_del == 1)
                    {
                        Console.WriteLine("Select Following Fields:");
                        updateOpt  = PhoneOpt();
                        updateText = Add("Text");
                        Console.WriteLine(DatabaseAction.Edit(ref updateOpt, pp, updateText));
                    }
                    else if (pp != null && up_del == 2)
                    {
                        Console.WriteLine(DatabaseAction.Del(pp));
                    }
                    else if (pp == null)
                    {
                        Console.WriteLine("No Records Found!");
                    }
                    break;

                case 3:
                    Console.WriteLine("\nEnter Address ID: ");
                    id = ConvertCheck();
                    Person_address pa = DatabaseAction.FindAddressID(id);
                    if (pa != null && up_del == 1)
                    {
                        Console.WriteLine("Select Following Fields:");
                        updateOpt  = AddressOpt();
                        updateText = Add("Text");
                        Console.WriteLine(DatabaseAction.Edit(ref updateOpt, pa, updateText));
                    }
                    else if (pa != null && up_del == 2)
                    {
                        Console.WriteLine(DatabaseAction.Del(pa));
                    }
                    else if (pa == null)
                    {
                        Console.WriteLine("\nNo Records Found!");
                    }
                    break;

                case 4:
                    break;

                default:
                    Console.WriteLine("Invalid Option!");
                    break;
                }
            } while (opt != 4);
        }