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Converting between c++ and c#

RabMac (80)
Hi,

I have just made a program in C++ that deals with bank accounts but I have now been told that I need to write it in C#.

Anyway I was wondering how easy a task this is and are there any major differences between the two that I should know about as I have not really used C#.

I also have to make it a web form.

Basically my program contains a class that has all the functions and variables associated with a customer's bank account.

I have created an array for the class.

I have a menu which consists of function that displays, a function that gets menu choice and a function that acts of the choice, this contains a switch statement and a number of cases that correspond with the user's menu choice.

There are sub functions associated with the act on choice function

Don't worry I am not expecting anyone to do this for me or write any of the code and I was merely wondering how easy it is and what differences I should be aware of.

I will post my C++ code below but need to do it in chunks as it is too long for one message.

RabMac (80)
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#include <iostream>
#include <cstdlib>
#include <string>
#include <sstream>
#include <iomanip>

using namespace std;

//Start of class BankAccount

class BankAccount
{
	public:
		BankAccount ();//declaring constructor 
		~BankAccount ();//declaring destructor
		//Accessor Functions
        string get_name () const;
        string get_account_number () const;
        double get_balance () const;
        int get_number_of_accounts_created() const;
        double get_total_deposit () const;
		double get_total_withdrawal () const;
		double get_new_interest_rate () const;
		//Mutator Functions
		void set_customers_name ();
        void set_account_number ();
        void set_balance ();
        void set_total_deposit (double deposit);
		void set_total_withdrawal (double withdrawal);
		void set_new_interest_rate ();
		void calculate_balance_after_interest (double interest_rate);
				
	private:
		static int number_of_accounts_created;//set at static and initialised as zero - 1 is added each time new account created
		string new_customers_fullname;//customer's full name
		string new_account_number;//customer's unique account number
		double new_balance;//customer's existing balance
		double total_deposit;//total amount deposited to customer's account
		double total_withdrawal;//total amount withdrawn from customer's account
		double new_interest_rate;//interest rate applied to customer's balance
};//end of class declaration

//constructor that initialises private member variables
BankAccount::BankAccount ()
{
	new_customers_fullname = " ";
    new_account_number = "0";
    new_balance = 0;
    total_deposit = 0;
    total_withdrawal = 0;
    new_interest_rate = 1.67;//initial interest rate of 1.67%
}//end of constructor

//destructor
BankAccount::~BankAccount ()
{
}//end of destructor

//member function that allows the customer's fullname to be set
void BankAccount::set_customers_name()
{
	string first_name, last_name;
	cout << "Please enter new customer's first name: ";
	cin >> first_name;
	cout << "Please enter new customer's last name: ";
	cin >> last_name;
	new_customers_fullname = first_name + " " + last_name;	
}//end of member function

//member function that returns customer's fullname
string BankAccount::get_name() const
{
	return new_customers_fullname;
}//end of member function

//member function that creates customer's account number
void BankAccount::set_account_number ()
{
	number_of_accounts_created++;//initially set to zero and adds 1 each time a new account is created
    int last_six_digits = 112280 + number_of_accounts_created;//creating last 6 digits of new account number
	ostringstream convert;//declaring variable
	convert << last_six_digits;//converting int to string
	string first_two_digits = "00";//creating first two digits of new account number
	new_account_number = first_two_digits + convert.str();//creating new account number
}//end of member function

//member function that returns the customer's account number
string BankAccount::get_account_number () const
{
	return new_account_number;
}//end of member function

//member function that sets customer's initial balance
void BankAccount::set_balance ()
{
	cout << "Please enter customer's balance: " << (char)156;
    cin >> new_balance;
}//end of member function

//member function that returns customer's initial balance
double BankAccount::get_balance () const
{
	return new_balance;       
}//end of member function

//member function that calculates the total amount deposited to account and updates balance
void BankAccount::set_total_deposit (double deposit)
{
     new_balance += deposit;//calculating new balance
     total_deposit += deposit;//calculating amount deposited
}//end of member function

//member function that returns total amount deposited to account
double BankAccount::get_total_deposit () const
{
     return total_deposit;       
}//end of member function

//member function that calculates the total amount withdrawn from account and updates balance
void BankAccount::set_total_withdrawal (double withdrawal)
{
	if(withdrawal < new_balance)//test if there are sufficient funds in account
	{
		new_balance -= withdrawal;
		total_withdrawal += withdrawal;
	}
	else
		cout << "Insufficient funds available." << endl;
}//end of member function

//member function that returns total amount withdrawn from account
double BankAccount::get_total_withdrawal () const
{
	return total_withdrawal;
}//end of member function

//member function that allows user to set new interest rate
void BankAccount::set_new_interest_rate ()
{
	cout << "Current interest rate is: " << new_interest_rate << "%" << endl;
	cout << "\nDo you want to set new interest rate (y or n): ";
	string answer;
	cin >> answer;
	double interest_rate = 0;
	if (answer == "y")
	{
		cout << "\nPlease enter new interest rate as a percentage: ";
		cin >> new_interest_rate;
		interest_rate = (new_interest_rate + 100)/100;
		calculate_balance_after_interest (interest_rate);
	}//end of if statement
	else 
	{
		cout << "Interest rate has not been changed." << endl;
		interest_rate = (new_interest_rate + 100)/100;
		calculate_balance_after_interest (interest_rate);
	}//end of else statement
}//end of member function

//member function that returns the current interest rate
double BankAccount::get_new_interest_rate () const
{
	return new_interest_rate;
}//end of member function

//member function that calculates new balance after interest added
void BankAccount::calculate_balance_after_interest (double interest_rate)
{
	new_balance = new_balance * interest_rate;
}

//member function that returns the number of accounts created
int BankAccount::get_number_of_accounts_created() const
{
	return number_of_accounts_created;
}//end of member function

//End of class BankAccount
//******************************************************************************
//Global Variables & Objects
const int MAX = 10;
BankAccount new_customer[MAX];
int BankAccount::number_of_accounts_created = 0;//initialising private member variable

//End of Global variables & Objects
//******************************************************************************

//Function declarations
void display_menu ();
int get_choice ();
void act_on_choice ();
void add_new_customer (int i);
void print_customer_information ();
void make_deposit ();
void make_withdrawal ();
int test_if_account_exists (string account_number);
void set_interest_rate ();


//End of function declarations
//******************************************************************************

int main ()
{
    act_on_choice ();//function call
    
    system ("PAUSE");
    return 0;
}//end of main
RabMac (80)
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//Function definitions
//******************************************************************************

//Function displays menu on screen
void display_menu ()
{
	system ("CLS");
    cout << "Menu" << endl;
    cout << "======" << endl;
    cout << "(1) - Open New Account" << endl;
    cout << "(2) - Make Deposit" << endl;
    cout << "(3) - Make Withdrawl" << endl;
    cout << "(4) - Add Interest" << endl;
    cout << "(5) - Display Account Information" << endl;
    cout << "(6) - Exit" << endl;
    cout << "=================================" << endl << endl;
}//end of function

//Function prompts user to make choice from menu and loops until user makes valid choice and then returns their choice
int get_choice ()
{
	int choice = 0;//resets or initialises value of choice to ensure while loop entered
	while (choice < 1 || choice > 6)//while loop used to keep displaying menu until user enters a valid menu choice
	{
		display_menu ();//calling function display_menu()
		cout << "Please enter your menu choice: ";//user prompted to select from menu
		//read input from user
		cin >> choice;//selection variable initialised using value inputted by user
		cin.clear();//clears error state of stream
		cin.ignore(100, '\n');//discard characters remaining in the input buffer
	}//end of while loop
	return choice;//users menu choice returned by function
}//end of function

//function prompts user to enter new customer's name and balance and then creates an account number 
void add_new_customer (int i)
{
    new_customer[i].set_customers_name();//request user to enter customer's name
    new_customer[i].set_account_number();//creates account number for new customer
    new_customer[i].set_balance();//request user to enter customer's balance
}//end of function

//function tests if account exists and allows deposits to be made to the account if it exists
void make_deposit ()
{
    cout << "Deposit Money in Account" << endl;//display message
    cout << "==========================" << endl;
    cout << "Please enter 8 digit account number: ";
    string account_number;//account number that deposit is added
    cin >> account_number;
    int element = test_if_account_exists (account_number);
	if (element != -1)//only entered if account exists
	{
		cout << "\nPlease enter amount being deposited: " << (char)156;
		double deposit;//amount being deposited to account
		cin >> deposit;
		new_customer [element].set_total_deposit (deposit);//function call to calculate new account balance and total amount deposited to account
	}//end of if statement
	else
		cout << "Account Number does not exist." << endl;//end of else statement
}//end of function

//function tests if account exists and allows withdrawals to be made to the account if it exists
void make_withdrawal ()
{
	cout << "Withdraw Money from Account" << endl;//display message
    cout << "==========================" << endl;
    cout << "Please enter 8 digit account number: ";
    string account_number;//account number that withdrawal is from
    cin >> account_number;
    int element = test_if_account_exists (account_number);
	if (element != -1)//only entered if account exists
	{
		cout << "\nPlease enter amount being withdrawn: " << (char)156;
		double withdrawal;//amount being withdrawn from account
		cin >> withdrawal;
		new_customer [element].set_total_withdrawal (withdrawal);//function call to calculate new account balance and total amount withdrawn from account
	}//end of if statement
	else
		cout << "Account Number does not exist." << endl;//end of else statement
}//end of function

//function tests if account exists and allows user to set new interest rate and calculates new balance after interest added
void set_interest_rate ()
{
	cout << "Set Interest Rate" << endl;//display message
    cout << "==========================" << endl;
    cout << "Please enter 8 digit account number: ";
    string account_number;//account number that withdrawal is from
    cin >> account_number;
    int element = test_if_account_exists (account_number);
	if (element != -1)//only entered if account exists
	{
		new_customer [element].set_new_interest_rate ();//function call that sets interest rate and calculate new balance
	}//end of if statement
	else
		cout << "Account Number does not exist." << endl;//end of else statement
}//end of function

//function tests if any accounts created or if function exists - returns i if function exists and returns -1 if no accounts created or account does not exist
int test_if_account_exists (string account_number)
{
    if(new_customer [0].get_number_of_accounts_created() == 0)//tests if any accounts have been created
	{
		cout << "No new accounts created." << endl;//message printed if no accounts created
		return -1;//value returned if no accounts have been created
	}//end of if statement
	else 
	{
		int number_of_accounts = new_customer [0].get_number_of_accounts_created();//variable hold the value of number of accounts created and is used for test condition in for loop
		for (int i = 0; i < number_of_accounts; i++)//for loop goes through each array element and tests if account number exists
		{
			string test = new_customer[i].get_account_number ();//initialises test with account number from each element of the array new_customer []
			if (test == account_number)//tests to see if account exists
				return i;//value returned if account exists - i used to call the correct element of the array new_customer []
		}//end of for statement
		return -1;//value returned if account does not exist
	}//end of else statement
}

//function prints each customer's account information
void print_customer_information ()
{
    if(new_customer [0].get_number_of_accounts_created() == 0)//tests if any accounts have been created
		cout << "No new accounts created." << endl;//message printed if no accounts created
	else//enters this block if at least 1 account has been created
	{
		int number_of_accounts = new_customer [0].get_number_of_accounts_created();//variable hold the value of number of accounts created and is used for test condition in for loop
		cout << "Account Information" << endl;//display message
		cout << "====================" << endl;
						
		for (int i = 0; i < number_of_accounts; i++)
		{
			cout << "Customer's Name: " << new_customer [i].get_name() << endl;//prints each customer's name
			cout << "Customer's Account Number: " << new_customer [i].get_account_number() << endl;//prints each customer's account number
			cout << std::fixed;
            cout << "Customer's Balance: " << (char)156 << std::setprecision(2) << new_customer [i].get_balance() << endl;//prints each customer's balance
			cout << "Amount Deposited: " << (char)156 << new_customer [i].get_total_deposit() << endl;//prints total amount deposited in customer's account
			cout << "Amount Withdrawn: " << (char)156 << new_customer [i].get_total_withdrawal() << endl;//prints total amount withdrawn from customer's account
			cout << "Interest Rate: " << new_customer [i].get_new_interest_rate () << "%" << endl;
			cout << "\n===============================================" << endl;
		}//end of for loop
	}//end of else statement 
}//end of function
RabMac (80)
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//Function selects correct switch case based on user's menu choice
void act_on_choice ()
{
	int choice = 0;
	int i = 0;//this sets the element of the array object new_customer []
    do//this do while loop continues until user selects option 6 from menu and then it terminated
	{
		choice = get_choice ();//declaring and initialising variable "choice" with value returned from get_choice()- variable holds user's menu choice
        switch (choice)
        {
			case 1:{//Asks user to input new account information and creates an account number for the new customer
					system("CLS");
                    add_new_customer (i);//fucntion call
                    i++;//adds 1 so new array created next time a new customer is added
                    system ("PAUSE");
                    break;
                    }//end of case 1
            case 2:{//Prompts user to enter account number and tests if it account exists - if account exists user is prompted to enter amount being deposited in account
                    system("CLS"); 
                    make_deposit ();//function call
                    system ("PAUSE");
					break;
                   }//end of case 2
            case 3://Prompts user to enter account number and tests is account exists - if account exists user is prompted to enter amount being withdrawn from account
                    system("CLS"); 
					make_withdrawal ();//function call
					system ("PAUSE");
					break;
            case 4://Prompts user to enter account number and tests if account exists - if account exists user can set interest rate and calculate new balance after interest added
                    system("CLS"); 
					set_interest_rate ();//function call
					system ("PAUSE");
					break;
			case 5://prints out all customers' information
                    system("CLS");
					print_customer_information ();//function call
					system ("PAUSE");
					break;//end of case 5		
            default://corresponds to option 6 in menu - exit program
                    cout << "You exited menu" << endl;//display message to user
                    break;//end of default case
        }//end of switch statement
    }while (choice != 6);//end of do while loop
}//end of function
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