[英]C#: Creating a Class List "List<Class>" and inserting a list of datas
[英]Creating a List in a C# Class
對其他人來說,這可能看起來很簡單。 但這對我來說很難。 我的代碼是這樣的,用於學習C#。 我想從List<Employee>
檢索信息並使方法Display()
工作。 希望有人能給我實用的建議。
class Program
{
static void Main(string[] args)
{
List<Employee> employee = new List<Employee>();
employee.Add(new Employee("Sudhakaran"));
employee.Add(new Employee("Unnikrishnan"));
employee.Add(new Employee("Meenakumari"));
employee.Add(new Employee("Vijaya Lekshmi Menon"));
employee.Add(new Employee("Seetha Devi Amma"));
employee.Add(new Employee("Reghunathan Pillai"));
employee.Add(new Employee("Parameswaran"));
employee.Add(new Employee("Vani Parameswaran"));
employee.Add(new Employee("Man Mohan"));
employee.Add(new Employee("Anil Kumar"));
employee.Add(new Employee("Athira"));
//foreach (string emp in employee) //Not working.
//{
//}
}
public class Employee
{
public string name { get; set; }
public Employee(string name)
{
this.name = name;
}
public List<string> ENames = new List<string>();
public Employee()
{
Display();
}
public void Display()
{
foreach (string item in ENames)
{
Console.WriteLine(item);
}
Console.ReadLine();
}
}
}
employee是Employee
列表而不是string
。 因此, emp
必須是Employee
類型。
foreach (Employee emp in employee)
{
emp.Display();
}
你也可以使用foreach(var emp in employee)
。 這並不意味着var
是任何類型的,它是強類型的。 參見var的文檔
foreach (Employee emp in employee) // changed
{
Console.WriteLine(emp.name); // Write employe name to console
}
我無法看到你使用ENames
是什么。 您可以使用以下內容遍歷列表:
static void Main(string[] args)
{
List<Employee> employee = new List<Employee>();
employee.Add(new Employee("Sudhakaran"));
employee.Add(new Employee("Unnikrishnan"));
employee.Add(new Employee("Meenakumari"));
employee.Add(new Employee("Vijaya Lekshmi Menon"));
employee.Add(new Employee("Seetha Devi Amma"));
employee.Add(new Employee("Reghunathan Pillai"));
employee.Add(new Employee("Parameswaran"));
employee.Add(new Employee("Vani Parameswaran"));
employee.Add(new Employee("Man Mohan"));
employee.Add(new Employee("Anil Kumar"));
employee.Add(new Employee("Athira"));
foreach (Employee emp in employee) //Not working.
{
emp.Display();
}
Console.ReadLine();
}
public class Employee
{
public string name { get; set; }
public Employee(string name)
{
this.name = name;
}
public void Display()
{
Console.WriteLine(name);
}
}
其中必不可少的部分是迭代員工列表而不是字符串:
foreach (Employee emp in employee) //Not working.
{
emp.Display();
}
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