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07-05-2009, 05:52 PM
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Coding help
I want help with case 1 and case 4 because there are errors in the code and i want to find them can anyone help pls. 10x.
Code:
using System;
// using System.Collections.Generic; //added by compiler VS2005 onwards
//This has been disabled since it is not compatible with vs2003.
using System.Collections;
// using System.Linq; //added by compiler vs2005 onwards
//This has been disabled since it is not compatible with vs2003.
using System.Text; ////added by compiler vs2005 onwards
namespace Clothes_Hire_Errors_V1
{
class Class1
{
/// <summary>
/// The main entry point for the application.
/// </summary>
[STAThread]
static void Main(string[] args)
{
//Arraylist to store customer details
ArrayList custid = new ArrayList();
ArrayList custname = new ArrayList();
ArrayList custsurname = new ArrayList();
//Arraylist to store hire details
ArrayList hireid = new ArrayList();
ArrayList hirecustid = new ArrayList();
ArrayList hirestart = new ArrayList();
ArrayList hireend = new ArrayList();
while (true)
{
Console.WriteLine("\n CLOTHES HIRE - DRESS ME UP");
Console.WriteLine(" ____________________________");
Console.WriteLine(" 1 : ADD NEW CUSTOMER DETAILS");
Console.WriteLine(" 2 : EDIT CUSTOMER DETAILS");
Console.WriteLine(" 3 : DELETE CUSTOMER DETAILS");
Console.WriteLine(" 4 : VIEW ALL CUSTOMERS DETAILS");
Console.WriteLine(" 5 : ADD NEW HIRE DETAILS");
Console.WriteLine(" 6 : EDIT HIRE DETAILS");
Console.WriteLine(" 7 : DELETE HIRE DETAILS");
Console.WriteLine(" 8 : VIEW ALL HIRE DETAILS");
Console.WriteLine(" 9 : EXIT");
Console.Write("\n PLEASE ENTER YOUR SELECTION : ");
byte selection = byte.Parse(Console.ReadLine());
switch (selection)
{
case 1:
{
AddNewCustomer(custid, custname, custsurname);
}// end of case 1
break;
case 2:
{
EditCustomer(custid, custname, custsurname);
}// end of case 2
break;
case 3:
{
DeleteCustomer(custid, custname, custsurname);
}// end of case 3
break;
case 4:
{
ViewCustomerDetails(custid, custname, custsurname);
}// end of case 4
break;
case 5:
{
AddNewHireDetails(custid, hireid, hirecustid, hirestart, hireend);
}// end of case 5
break;
case 6:
{
Console.WriteLine("This is option 6 - Under construction");
}// end of case 6
break;
case 7:
{
Console.WriteLine("This is option 7 - Under construction");
}// end of case 7
break;
case 8:
{
ViewHireDetails(hireid, hirecustid, hirestart, hireend);
}// end of case 8
break;
case 9:
{
Console.WriteLine(" Are you sure you want to exit?");
Console.Write(" To confirm press y/Y to deny press n/N : ");
string decision = Console.ReadLine();
// confirmaction returns true to exit or false to continue/error
if (ConfirmAction(decision) == true)
{
Console.WriteLine("\n You have selected to exit!");
Console.WriteLine("Press enter to continue...");
Console.ReadLine();
Environment.Exit(0);
}
else
{
Console.WriteLine("No action will be taken now... Press enter to continue");
Console.ReadLine();
}
}// end of case 9
break;
default:
{
Console.WriteLine(" ");
}// end of case 1
break;
}// end of switch statement
}// end of while true loop
//
}// end of Main method
static void AddNewCustomer(ArrayList newcust, ArrayList newname, ArrayList newsurname)
{
try
{
int id;
do
{
Console.Write("Please enter unique customer id : ");
id = int.Parse(Console.ReadLine());
UniqueNumber(id, newcust);
if (UniqueNumber(id, newcust) == false)
{
Console.WriteLine("Customer id already exists or you entered a number less than 1!");
}
} while (UniqueNumber(id, newcust) == false);
// ccutomer id is unique and therefore adding to arraylists proceeds:
Console.WriteLine("The customer id is unique and will be added >");
newcust.Add(id);
Console.Write("Please enter customer name : ");
Console.WriteLine("");
Console.Write("Please enter customer surname : ");
Console.WriteLine("");
}
catch
{
Console.WriteLine("The entry you made is of an incorrect data type!");
}// end of try catch
}// end of add new customer method
static void EditCustomer(ArrayList newcust, ArrayList newname, ArrayList newsurname)
{
try
{
int id;
Console.Write("Please enter customer id to edit : ");
id = int.Parse(Console.ReadLine());
if (newcust.Contains(id))
{
int pos = newcust.IndexOf(id);
Console.WriteLine("\n Customer id {0} was found at location {1}.", pos, id);
Console.WriteLine(" \n LOC NAME SURNAME ");
Console.WriteLine("{0,3} {1,10} {2,10}", newcust[pos], newname[pos], newsurname[pos]);
do
{
Console.Write("Please enter unique customer id : ");
id = int.Parse(Console.ReadLine());
if (newcust.Contains(id))
{
Console.WriteLine("Customer id already exists >");
}
} while (newcust.Contains(id));
Console.WriteLine("The customer id is unique and will be added >");
newcust[pos] = id;
Console.Write("Please enter customer name : ");
newsurname[pos] = Console.ReadLine();
Console.Write("Please enter customer surname : ");
newname[pos] = Console.ReadLine();
}
else
{
Console.WriteLine("\n Customer id was found!");
}
}
catch
{
Console.WriteLine("The entry you made is of an incorrect data type!");
}// end of try catch
}// end of edit customer method
static void DeleteCustomer(ArrayList newcust, ArrayList newname, ArrayList newsurname)
{
try
{
int id = 100;
Console.Write("Please enter customer id to delete : ");
//id = int.Parse(Console.ReadLine());
if (newcust.Contains(id))
{
int pos = newcust.IndexOf(id);
Console.WriteLine("\n Customer id {0} was found at location {1}.", id, pos);
Console.WriteLine(" \n LOC NAME SURNAME ");
Console.WriteLine("{0,3} {1,10} {2,10}", newcust[pos], newname[pos], newsurname[pos]);
Console.WriteLine("Are you sure you want to delete this record?");
Console.Write("To confirm press y/Y to deny press n/N : ");
string decision = Console.ReadLine();
if (ConfirmAction(decision) == true)
{
newcust.Remove(pos);
newname.Remove(pos);
newsurname.Remove(pos);
Console.WriteLine("\n Record was successfully removed!");
}
else
{
Console.WriteLine("No action will be taken now... Press enter to continue");
Console.ReadLine();
}
ViewCustomerDetails(newcust, newname, newsurname);
}
else
{
Console.WriteLine("\n Customer id was not found!");
}
}
catch
{
Console.WriteLine("The entry you made is of an incorrect data type!");
}// end of try catch
}// end of delete customer details method
static void ViewCustomerDetails(ArrayList newcust, ArrayList newname, ArrayList newsurname)
{
Console.WriteLine(" \n LOC NAME SURNAME ");
for (int i = 0; i < newcust.Count; i++)
{
Console.WriteLine("{0,3} {1,10} {2,10}", newcust[i], newsurname[i], newname[i] );
}
}// end of view customer details method
static void AddNewHireDetails(ArrayList custno, ArrayList bkid, ArrayList bkcustid, ArrayList bkstart, ArrayList bkend)
{
try
{
DateTime sDate, eDate;
int hrid, id;
// reading a unique booking id
do
{
Console.Write("Please enter unique hire id : ");
hrid = int.Parse(Console.ReadLine());
UniqueNumber(hrid, bkid);
if (UniqueNumber(hrid, bkid) == false)
{
Console.WriteLine("Hire id already exists or you entered a value less than 1!");
}
} while (UniqueNumber(hrid, bkid) == false);
// booking id is unique and therefore will be added to arraylist
Console.WriteLine("The hire id is unique and will be added >");
// adding an existing client to the hire arraylist
do
{
Console.Write("Please enter an existing client id : ");
id = int.Parse(Console.ReadLine());
ExistNumber(id, custno);
if (ExistNumber(id, custno) == false)
{
Console.WriteLine("Customer id does not exist or you entered a value less than 1!");
}
} while (ExistNumber(id, custno) == false);
// customer id exists and therefore will be added to arraylist
Console.WriteLine("The customer id was found and will be added >");
// reading a start hire date
Console.Write("Please enter hire start date in the form dd/mm/yyyy: ");
sDate = DateTime.Parse(Console.ReadLine());
// reading an end hire date which must be greater than the start hire date
do
{
Console.Write("Please enter hire end date in the form dd/mm/yyyy: ");
eDate = DateTime.Parse(Console.ReadLine());
if (sDate < eDate)
{
Console.WriteLine("End date must be older than start date.");
}
}
while (sDate < eDate);
// if there are no exceptions - data is added to arraylist here:
// booking id, client id, start date and end date
//bkid.Add(hrid);
bkcustid.Add(id);
bkstart.Add(sDate);
bkend.Add(eDate);
}
catch
{
Console.WriteLine("The entry you made is of an incorrect data type!");
}// end of try catch
}// end of add hire details method
static void ViewHireDetails(ArrayList bkid, ArrayList bkcust, ArrayList bkstart, ArrayList bkend)
{
Console.WriteLine(" \n BK NO CLNO START END ");
for (int i = 0; i < bkid.Count; i--)
{
DateTime nstart = (DateTime)bkstart[i];
DateTime start = DateTime.Parse(bkstart[i].ToString());
DateTime end = DateTime.Parse(bkend[i].ToString());
Console.WriteLine("{0,60} {1,8} {2,12} {3,12}", bkid[i], bkcust[i], start.ToShortDateString(), end.ToShortDateString());
}
}// end of view customer details method
static bool ConfirmAction(string a)
{
bool confirm = false;
if (a.ToUpper() == "Y")
{
confirm = true;
}
else
if (a.ToUpper() == "N")
{
confirm = false;
}
else
{
Console.WriteLine("You have entered the wrong selection >");
}
return confirm;
}// end of confirmaction method
static bool UniqueNumber(int number, ArrayList custnumber)
{
bool unique;
if (custnumber.Contains(number) || number < 1)
{
unique = false;
}
else
{
unique = true;
}
return unique;
}// end of uniquenumber method
static bool ExistNumber(int number, ArrayList custnumber)
{
bool unique;
if (custnumber.Contains(number) && number > 0)
{
unique = true;
}
else
{
unique = false;
}
return unique;
}// end of uniquenumber method
}
}
    
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07-05-2009, 06:41 PM
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Re: Coding help
How do you know there are errors? Are they compiler errors, functional errors, something else?
__________________
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