-3
我在執行刪除功能時遇到了麻煩，任何幫助將不勝感激。我有一個名爲memberlist的列表，用於存儲人員姓名和號碼。除了刪除功能，我已經可以工作了。任何幫助，將不勝感激。從列表中刪除功能
public class Person
{
private string name;
private string phoneNumber;
public string Name
{
set { name = value; }
get { return name; }
}
public string PhoneNumber
{
set { phoneNumber = value; }
get { return phoneNumber; }
}
public void PrintInfo()
{
Console.WriteLine();
Console.WriteLine(" Name: {0}", name);
Console.WriteLine(" Phone Number: {0}", phoneNumber);
Console.WriteLine();
}
public void SaveASCII(ref StreamWriter output)
{
output.WriteLine(name);
output.WriteLine(phoneNumber);
}
public void LoadASCII(ref StreamReader input)
{
name = input.ReadLine();
phoneNumber = input.ReadLine();
}
}
public class membershipList
{
public Person[] ML = null;
public void AddMember(Person p)
{
if (ML == null)
{
ML = new Person[1];
ML[0] = p;
}
else
{
Person[] temp = ML;
ML = new Person[temp.Length + 1];
for (int i = 0; i < temp.Length; ++i)
{
ML[i] = new Person();
ML[i] = temp[i];
}
ML[temp.Length] = new Person();
ML[temp.Length] = p;
temp = null;
}
}
public void DeleteMember(string name)
{
if (ML == null)
{
Console.WriteLine(name + " had not been added before.");
}
else
{
int memberIndex = ML.MembershipList().FindIndex(p => p.Name == name);
if (memberIndex = -1)
{
Console.WriteLine(name + " had not been added before.");
return;
}
List<Person> tmp = new List<Person>(ML);
tmp.RemoveAt(memberIndex);
ML = tmp.ToArray();
}
}
public void PrintAll()
{
if (ML != null)
foreach (Person pers in ML)
pers.PrintInfo();
else Console.WriteLine("Then list is empty");
}
public void Search(string p)
{
if (ML != null)
{
foreach (Person pers in ML)
{
if (pers.Name.ToLower().CompareTo(p.ToLower()) == 0)
{
Console.WriteLine("1 Record Found:");
pers.PrintInfo();
break;
}
}
Console.WriteLine("Record not found.");
}
else Console.WriteLine("Then list is empty.");
}
public void ReadASCIIFile()
{
StreamReader input = new StreamReader("memberlist.dat"); ;
try
{
int num = Convert.ToInt32(input.ReadLine());
ML = new Person[num];
for (int i = 0; i < num; ++i)
{
ML[i] = new Person();
ML[i].LoadASCII(ref input);
}
input.Close();
}
catch (FormatException e)
{
Console.WriteLine(e.Message);
input.Close();
}
}
public void SaveASCIIFile()
{
StreamWriter output = new StreamWriter("memberlist.dat");
output.WriteLine(ML.Length);
foreach (Person pers in ML)
{
pers.SaveASCII(ref output);
}
output.Close();
}
}
class Program
{
static void Main(string[] args)
{
membershipList ML = new membershipList();
ML.ReadASCIIFile();
string option;
do
{
// Console.Clear();
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("MemberShip List MENU");
Console.WriteLine();
Console.WriteLine(" a. Add");
Console.WriteLine(" b. Seach");
Console.WriteLine(" c. Delete");
Console.WriteLine(" d. Print All");
Console.WriteLine(" e. Exit");
Console.WriteLine();
Console.Write("option: ");
option = Console.ReadLine().ToLower();
switch (option)
{
case "a":
Person np = new Person();
Console.Write("Enter Name: ");
np.Name = Console.ReadLine();
Console.Write("Enter PhoneNumber: ");
np.PhoneNumber = Console.ReadLine();
ML.AddMember(np);
break;
case "b":
Console.Write("Enter Name: ");
string name = Console.ReadLine();
ML.Search(name);
break;
case "c":
Console.Write("Enter Name to be Deleted:");
ML.DeleteMember(name);
break;
case "d":
ML.PrintAll();
break;
case "e":
ML.SaveASCIIFile();
Console.WriteLine("BYE...... ");
break;
default:
Console.WriteLine("Invalid Option");
break;
}
} while (option.ToLower() != "d");
}
}
不工作是非常不具說明性的。刪除方法運行時會發生什麼？一個錯誤？它不刪除？你是否已經在調試器中檢查了代碼，看看發生了什麼？ – Tim
獲取此錯誤1> C：\ Users \ Zekk Ragnos \ documents \ visual studio 2012 \ Projects \ MemberShip \ MemberShip \ Program.cs（86,38,86,52）：錯誤CS1061：'System.Array'不包含可以找到'MembershipList'的定義，並且沒有找到接受類型'System.Array'的第一個參數的擴展方法'MembershipList'（你是否缺少using指令或程序集引用？） – user2247659